1 files changed, 2 insertions, 1 deletions
diff --git a/py/py.mk b/py/py.mk
index 5d62458812..08eeddc295 100644
--- a/py/py.mk
+++ b/py/py.mk
@@ -104,7 +104,8 @@ PY_O_BASENAME = \
 	smallint.o \
 	pfenv.o \
 	pfenv_printf.o \
-	../extmod/moductypes.o
+	../extmod/moductypes.o \
+	../extmod/modzlibd.o \
 
 # prepend the build destination prefix to the py object files
 PY_O = $(addprefix $(PY_BUILD)/, $(PY_O_BASENAME))