diff --git a/Makefile b/Makefile
index 5e4bbb4090..1100e9a6ae 100644
--- a/Makefile
+++ b/Makefile
@@ -2,10 +2,10 @@ DIRS = $(RIOTCPU) core drivers sys
 
 all:
 	mkdir -p $(BINDIR)
-	@for i in $(DIRS) ; do $(MAKE) -C $$i ; done ;
+	@for i in $(DIRS) ; do "$(MAKE)" -C $$i ; done ;
 	
 clean:
-	@for i in $(DIRS) ; do $(MAKE) -C $$i clean ; done ;
+	@for i in $(DIRS) ; do "$(MAKE)" -C $$i clean ; done ;
 	-@if [ -d $(BINDIR) ] ; \
 	then rmdir $(BINDIR) ; \
 	fi