1 files changed, 1 insertions, 0 deletions
diff --git a/py/py.mk b/py/py.mk
index e2288d3821..9101704b7e 100644
--- a/py/py.mk
+++ b/py/py.mk
@@ -112,6 +112,7 @@ PY_O_BASENAME = \
 	pfenv_printf.o \
 	../extmod/moductypes.o \
 	../extmod/modzlibd.o \
+	../extmod/modselect.o \
 
 # prepend the build destination prefix to the py object files
 PY_O = $(addprefix $(PY_BUILD)/, $(PY_O_BASENAME))