diff --git a/makefiles/Makefile.python.mk b/makefiles/Makefile.python.mk
index 3f5ea159fa..6cb2ce2c57 100644
--- a/makefiles/Makefile.python.mk
+++ b/makefiles/Makefile.python.mk
@@ -27,10 +27,11 @@ PYTHON_COMPILER ?= python$(UNIX_PYTHON_VER)
 PYTHON_EXECUTABLE := $(shell which $(PYTHON_COMPILER))
 SET_PYTHONPATH = PYTHONPATH=$(OR_TOOLS_PYTHONPATH)
 GEN_MYPY := $(shell command -v protoc-gen-mypy 2> /dev/null)
+endif
+
 ifneq ($(GEN_MYPY),)
 MYPY_OUT=--mypy_out=$(GEN_PATH)
 endif
-endif
 
 # Detect python3
 PYTHON3 := true