diff --git a/include/Make/Python.make b/include/Make/Python.make
index e4ec72b1478..f92f7087d20 100644
--- a/include/Make/Python.make
+++ b/include/Make/Python.make
@@ -2,4 +2,4 @@
 PY_SOURCES := $(wildcard *.py)
 
 %.pyc: %.py
-	$(PYTHON) -t -m py_compile $<
+	$(PYTHON) -t -m py_compile $^