diff --git a/src/CASCADE/Makefile b/src/CASCADE/Makefile
index 98d9dbd3b62a9719e901e49dc3a4b600e5c0a38a..5cdec9576b20b5a6e606b2a0aeb934c59dcdfab6 100644
--- a/src/CASCADE/Makefile
+++ b/src/CASCADE/Makefile
@@ -56,7 +56,7 @@ $(LIBFILE): $(OBJECTS) $(UTILS)
 
 .PHONY: objclean
 objclean:
-	rm -f *.o *.mod $(COMPILE_OUT)
+	rm -f *.o *.mod $(COMPILE_OUT) *__genmod.f90
 
 .PHONY: distclean
 distclean: objclean