diff --git a/ports/nrf/Makefile b/ports/nrf/Makefile
index 0e46885ea0..a8a5228270 100644
--- a/ports/nrf/Makefile
+++ b/ports/nrf/Makefile
@@ -52,6 +52,8 @@ ifeq ($(DEBUG), 0)
 MICROPY_ROM_TEXT_COMPRESSION ?= 1
 endif
 
+FROZEN_MANIFEST ?= modules/manifest.py
+
 # include py core make definitions
 include ../../py/py.mk
 
diff --git a/ports/nrf/modules/manifest.py b/ports/nrf/modules/manifest.py
new file mode 100644
index 0000000000..4e8482226b
--- /dev/null
+++ b/ports/nrf/modules/manifest.py
@@ -0,0 +1 @@
+freeze("$(PORT_DIR)/modules/scripts", "_mkfs.py")