diff --git a/Makefile b/Makefile
index 9b199fb..ee67998 100644
--- a/Makefile
+++ b/Makefile
@@ -35,4 +35,4 @@ devil1geo.o: src/devil1geo.c
 	$(CC) -c $^ $(CFLAGS)
 
 clean:
-	rm *.o $(TARGET) $(PEX) $(TEX) $(MEX)
+	rm *.o *.gch $(TARGET) $(PEX) $(TEX) $(MEX)