diff --git a/core/Makefile b/core/Makefile
index ea716188..625c7b0b 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -90,7 +90,7 @@ clean:
 	rm -rf Release/zlib/*.oc
 	rm -rf Release/$(BINARY)
 	rm -rf Debug/*.ox
-	rm -rf DEbug/systems/*.ox
+	rm -rf Debug/systems/*.ox
 	rm -rf Debug/zlib/*.oc
 	rm -rf Debug/$(BINARY)