diff --git a/nrf/Makefile b/nrf/Makefile
index 83ed917c52..1b0a7c655b 100644
--- a/nrf/Makefile
+++ b/nrf/Makefile
@@ -90,7 +90,17 @@ CFLAGS += -Os -DNDEBUG
 LDFLAGS += -Os
 endif
 
-LIBS += \
+LIBS = \
+
+ifeq ($(MCU_VARIANT), nrf52)
+LIBM_FILE_NAME   = $(shell $(CC) $(CFLAGS) -print-file-name=libm.a)
+LIBC_FILE_NAME   = $(shell $(CC) $(CFLAGS) -print-file-name=libc.a)
+LIBGCC_FILE_NAME = $(shell $(CC) $(CFLAGS) -print-libgcc-file-name)
+
+LIBS += -L $(dir $(LIBM_FILE_NAME)) -lm
+LIBS += -L $(dir $(LIBC_FILE_NAME)) -lc
+LIBS += -L $(dir $(LIBGCC_FILE_NAME)) -lgcc
+endif
 
 SRC_LIB = $(addprefix lib/,\
 	libc/string0.c \
diff --git a/nrf/mpconfigport.h b/nrf/mpconfigport.h
index 4c437f0232..e90c5a4ccd 100644
--- a/nrf/mpconfigport.h
+++ b/nrf/mpconfigport.h
@@ -45,7 +45,12 @@
 #define MICROPY_REPL_AUTO_INDENT    (1)
 #define MICROPY_ENABLE_SOURCE_LINE  (0)
 #define MICROPY_LONGINT_IMPL        (MICROPY_LONGINT_IMPL_MPZ)
+#if NRF51
 #define MICROPY_FLOAT_IMPL          (MICROPY_FLOAT_IMPL_NONE)
+#else
+#define MICROPY_FLOAT_IMPL          (MICROPY_FLOAT_IMPL_FLOAT)
+#endif
+
 #define MICROPY_OPT_COMPUTED_GOTO   (0)
 #define MICROPY_OPT_CACHE_MAP_LOOKUP_IN_BYTECODE (0)
 #define MICROPY_OPT_MPZ_BITWISE     (0)