diff --git a/Makefile b/Makefile
index 4ae01bb..f37027c 100644
--- a/Makefile
+++ b/Makefile
@@ -22,7 +22,7 @@ KOTLINFLAGS = -cp $(HEADERS) -d $(OUT_DIR) -jvm-target 1.8
 all: translate
 
 $(CLS): $(OUT_DIR)/%.class: $(SRC_DIR)/%.kt
-	mkdir -p build
+	@mkdir -p build
 	$(KOTLINC) $(KOTLINFLAGS) $<
 	rm -rf build/META-INF/