--- Makefile.1	2012-08-04 12:40:34.000000000 +0200
+++ Makefile	2012-08-04 12:41:55.000000000 +0200
@@ -42,4 +42,4 @@
 	@$(CC) -Wall $(OBJECTS) -o main $(LDFLAGS) $(LIBS)
 
 clean:
-	-rm $(PLUGIN) *.o */*.o
+	rm -f $(PLUGIN) *.o */*.o