diff --git a/.travis.yml b/.travis.yml
index 55c07bec24..9e88ecd8fc 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -75,13 +75,13 @@ jobs:
         - make ${MAKEOPTS} -C ports/unix deplibs
         - make ${MAKEOPTS} -C ports/unix VARIANT=coverage
         # run the main test suite
-        - (cd tests && MICROPY_CPYTHON3=python3 MICROPY_MICROPYTHON=../ports/unix/micropython_coverage ./run-tests)
-        - (cd tests && MICROPY_CPYTHON3=python3 MICROPY_MICROPYTHON=../ports/unix/micropython_coverage ./run-tests -d thread)
-        - (cd tests && MICROPY_CPYTHON3=python3 MICROPY_MICROPYTHON=../ports/unix/micropython_coverage ./run-tests --emit native)
-        - (cd tests && MICROPY_CPYTHON3=python3 MICROPY_MICROPYTHON=../ports/unix/micropython_coverage ./run-tests --via-mpy -d basics float micropython)
-        - (cd tests && MICROPY_CPYTHON3=python3 MICROPY_MICROPYTHON=../ports/unix/micropython_coverage ./run-tests --via-mpy --emit native -d basics float micropython)
+        - (cd tests && MICROPY_CPYTHON3=python3 MICROPY_MICROPYTHON=../ports/unix/micropython-coverage ./run-tests)
+        - (cd tests && MICROPY_CPYTHON3=python3 MICROPY_MICROPYTHON=../ports/unix/micropython-coverage ./run-tests -d thread)
+        - (cd tests && MICROPY_CPYTHON3=python3 MICROPY_MICROPYTHON=../ports/unix/micropython-coverage ./run-tests --emit native)
+        - (cd tests && MICROPY_CPYTHON3=python3 MICROPY_MICROPYTHON=../ports/unix/micropython-coverage ./run-tests --via-mpy -d basics float micropython)
+        - (cd tests && MICROPY_CPYTHON3=python3 MICROPY_MICROPYTHON=../ports/unix/micropython-coverage ./run-tests --via-mpy --emit native -d basics float micropython)
         # test when input script comes from stdin
-        - cat tests/basics/0prelim.py | ports/unix/micropython_coverage | grep -q 'abc'
+        - cat tests/basics/0prelim.py | ports/unix/micropython-coverage | grep -q 'abc'
         # test building native mpy modules
         - make -C examples/natmod/features1 ARCH=x64
         - make -C examples/natmod/features2 ARCH=x64
@@ -92,7 +92,7 @@ jobs:
         - make -C examples/natmod/ure ARCH=x64
         - make -C examples/natmod/uzlib ARCH=x64
         # test importing .mpy generated by mpy_ld.py
-        - MICROPYPATH=examples/natmod/features2 ./ports/unix/micropython_coverage -m features2
+        - MICROPYPATH=examples/natmod/features2 ./ports/unix/micropython-coverage -m features2
         - (cd tests && ./run-natmodtests.py extmod/{btree*,framebuf*,uheapq*,ure*,uzlib*}.py)
         # run coveralls coverage analysis (try to, even if some builds/tests failed)
         - (cd ports/unix && coveralls --root ../.. --build-root . --gcov $(which gcov) --gcov-options '\-o build-coverage/' --include py --include extmod)
@@ -115,13 +115,13 @@ jobs:
         - make ${MAKEOPTS} -C ports/unix MICROPY_FORCE_32BIT=1 deplibs
         - make ${MAKEOPTS} -C ports/unix MICROPY_FORCE_32BIT=1 coverage
         # run the main test suite
-        - (cd tests && MICROPY_CPYTHON3=python3 MICROPY_MICROPYTHON=../ports/unix/micropython_coverage ./run-tests)
-        - (cd tests && MICROPY_CPYTHON3=python3 MICROPY_MICROPYTHON=../ports/unix/micropython_coverage ./run-tests -d thread)
-        - (cd tests && MICROPY_CPYTHON3=python3 MICROPY_MICROPYTHON=../ports/unix/micropython_coverage ./run-tests --emit native)
-        - (cd tests && MICROPY_CPYTHON3=python3 MICROPY_MICROPYTHON=../ports/unix/micropython_coverage ./run-tests --via-mpy --mpy-cross-flags='-mcache-lookup-bc -march=x86' -d basics float micropython)
-        - (cd tests && MICROPY_CPYTHON3=python3 MICROPY_MICROPYTHON=../ports/unix/micropython_coverage ./run-tests --via-mpy --emit native --mpy-cross-flags='-mcache-lookup-bc -march=x86' -d basics float micropython)
+        - (cd tests && MICROPY_CPYTHON3=python3 MICROPY_MICROPYTHON=../ports/unix/micropython-coverage ./run-tests)
+        - (cd tests && MICROPY_CPYTHON3=python3 MICROPY_MICROPYTHON=../ports/unix/micropython-coverage ./run-tests -d thread)
+        - (cd tests && MICROPY_CPYTHON3=python3 MICROPY_MICROPYTHON=../ports/unix/micropython-coverage ./run-tests --emit native)
+        - (cd tests && MICROPY_CPYTHON3=python3 MICROPY_MICROPYTHON=../ports/unix/micropython-coverage ./run-tests --via-mpy --mpy-cross-flags='-mcache-lookup-bc -march=x86' -d basics float micropython)
+        - (cd tests && MICROPY_CPYTHON3=python3 MICROPY_MICROPYTHON=../ports/unix/micropython-coverage ./run-tests --via-mpy --emit native --mpy-cross-flags='-mcache-lookup-bc -march=x86' -d basics float micropython)
         # test when input script comes from stdin
-        - cat tests/basics/0prelim.py | ports/unix/micropython_coverage | grep -q 'abc'
+        - cat tests/basics/0prelim.py | ports/unix/micropython-coverage | grep -q 'abc'
         # test building native mpy modules
         - make -C examples/natmod/features1 ARCH=x86
         - make -C examples/natmod/features2 ARCH=x86
@@ -132,7 +132,7 @@ jobs:
         - make -C examples/natmod/ure ARCH=x86
         - make -C examples/natmod/uzlib ARCH=x86
         # test importing .mpy generated by mpy_ld.py
-        - MICROPYPATH=examples/natmod/features2 ./ports/unix/micropython_coverage -m features2
+        - MICROPYPATH=examples/natmod/features2 ./ports/unix/micropython-coverage -m features2
         - (cd tests && ./run-natmodtests.py --arch x86 extmod/{btree*,framebuf*,uheapq*,ure*,uzlib*}.py)
       after_failure:
         - (cd tests && for exp in *.exp; do testbase=$(basename $exp .exp); echo -e "\nFAILURE $testbase"; diff -u $testbase.exp $testbase.out; done)
@@ -158,7 +158,7 @@ jobs:
         - make ${MAKEOPTS} -C ports/unix submodules
         - make ${MAKEOPTS} -C ports/unix PYTHON=python2 deplibs
         - make ${MAKEOPTS} -C ports/unix PYTHON=python2 VARIANT=nanbox
-        - (cd tests && MICROPY_CPYTHON3=python3 MICROPY_MICROPYTHON=../ports/unix/micropython_nanbox ./run-tests)
+        - (cd tests && MICROPY_CPYTHON3=python3 MICROPY_MICROPYTHON=../ports/unix/micropython-nanbox ./run-tests)
 
     # unix stackless
     - stage: test
@@ -187,7 +187,7 @@ jobs:
       env: NAME="minimal unix port build and tests"
       script:
         - make ${MAKEOPTS} -C ports/unix minimal
-        - (cd tests && MICROPY_CPYTHON3=python3 MICROPY_MICROPYTHON=../ports/unix/micropython_minimal ./run-tests -e exception_chain -e self_type_check -e subclass_native_init -d basics)
+        - (cd tests && MICROPY_CPYTHON3=python3 MICROPY_MICROPYTHON=../ports/unix/micropython-minimal ./run-tests -e exception_chain -e self_type_check -e subclass_native_init -d basics)
 
     # windows port via mingw
     - stage: test
diff --git a/ports/unix/.gitignore b/ports/unix/.gitignore
index 977690827a..6745218688 100644
--- a/ports/unix/.gitignore
+++ b/ports/unix/.gitignore
@@ -1,9 +1,4 @@
 micropython
-micropython_dev
-micropython_fast
-micropython_minimal
-micropython_coverage
-micropython_nanbox
-micropython_freedos*
+micropython-*
 *.py
 *.gcov
diff --git a/ports/unix/variants/coverage/mpconfigvariant.mk b/ports/unix/variants/coverage/mpconfigvariant.mk
index e55b22eb92..077e7e11ac 100644
--- a/ports/unix/variants/coverage/mpconfigvariant.mk
+++ b/ports/unix/variants/coverage/mpconfigvariant.mk
@@ -1,4 +1,4 @@
-PROG ?= micropython_coverage
+PROG ?= micropython-coverage
 
 COPT = -O0
 
diff --git a/ports/unix/variants/dev/mpconfigvariant.mk b/ports/unix/variants/dev/mpconfigvariant.mk
index 3b0f2d8967..751a748f6d 100644
--- a/ports/unix/variants/dev/mpconfigvariant.mk
+++ b/ports/unix/variants/dev/mpconfigvariant.mk
@@ -1 +1 @@
-PROG ?= micropython_dev
+PROG ?= micropython-dev
diff --git a/ports/unix/variants/fast/mpconfigvariant.mk b/ports/unix/variants/fast/mpconfigvariant.mk
index 60c1d525d3..e6022291d9 100644
--- a/ports/unix/variants/fast/mpconfigvariant.mk
+++ b/ports/unix/variants/fast/mpconfigvariant.mk
@@ -2,6 +2,6 @@
 
 COPT = "-O2 -DNDEBUG -fno-crossjumping"
 
-PROG = micropython_fast
+PROG = micropython-fast
 
 FROZEN_MANIFEST =
diff --git a/ports/unix/variants/freedos/mpconfigvariant.mk b/ports/unix/variants/freedos/mpconfigvariant.mk
index f1d0ac21b0..f7e5ed5162 100644
--- a/ports/unix/variants/freedos/mpconfigvariant.mk
+++ b/ports/unix/variants/freedos/mpconfigvariant.mk
@@ -10,7 +10,7 @@ CFLAGS_EXTRA = \
 	-DMICROPY_EMIT_X86=0 \
 	-DMICROPY_NO_ALLOCA=1 \
 
-PROG = micropython_freedos
+PROG = micropython-freedos
 
 MICROPY_PY_SOCKET = 0
 MICROPY_PY_FFI = 0
diff --git a/ports/unix/variants/minimal/mpconfigvariant.mk b/ports/unix/variants/minimal/mpconfigvariant.mk
index 19f8ad64a3..58ee64f83d 100644
--- a/ports/unix/variants/minimal/mpconfigvariant.mk
+++ b/ports/unix/variants/minimal/mpconfigvariant.mk
@@ -1,7 +1,7 @@
 # build a minimal interpreter
 COPT = -Os -DNDEBUG
 
-PROG = micropython_minimal
+PROG = micropython-minimal
 
 FROZEN_MANIFEST =
 
diff --git a/ports/unix/variants/nanbox/mpconfigvariant.mk b/ports/unix/variants/nanbox/mpconfigvariant.mk
index b7b485b512..9752b922c1 100644
--- a/ports/unix/variants/nanbox/mpconfigvariant.mk
+++ b/ports/unix/variants/nanbox/mpconfigvariant.mk
@@ -1,4 +1,4 @@
 # build interpreter with nan-boxing as object model (object repr D)
-PROG = micropython_nanbox
+PROG = micropython-nanbox
 
 MICROPY_FORCE_32BIT = 1
diff --git a/tests/run-natmodtests.py b/tests/run-natmodtests.py
index 3f49a1d68a..46f21f81d7 100755
--- a/tests/run-natmodtests.py
+++ b/tests/run-natmodtests.py
@@ -14,7 +14,7 @@ import pyboard
 
 # Paths for host executables
 CPYTHON3 = os.getenv('MICROPY_CPYTHON3', 'python3')
-MICROPYTHON = os.getenv('MICROPY_MICROPYTHON', '../ports/unix/micropython_coverage')
+MICROPYTHON = os.getenv('MICROPY_MICROPYTHON', '../ports/unix/micropython-coverage')
 
 NATMOD_EXAMPLE_DIR = '../examples/natmod/'