diff --git a/core/ninja.mk b/core/ninja.mk
index d603996..56b4ac5 100644
--- a/core/ninja.mk
+++ b/core/ninja.mk
@@ -90,7 +90,7 @@
 ifdef KATI_REMOTE_NUM_JOBS_FLAG
 KATI_MAKEPARALLEL := $(MAKEPARALLEL)
 else
-NINJA_MAKEPARALLEL := $(MAKEPARALLEL)
+NINJA_MAKEPARALLEL := $(MAKEPARALLEL) --ninja
 endif
 
 ifeq (,$(filter generateonly,$(ORIGINAL_MAKECMDGOALS)))