diff --git a/Makefile b/Makefile
index 35e98ab..bfdc251 100644
--- a/Makefile
+++ b/Makefile
@@ -9,13 +9,13 @@ TAR	= tar -czvf
 all: subdirs
 
 subdirs:
-	@for i in $(SUBDIRS); do (cd $$i && $(MAKE)) || exit; done
+	@for i in $(SUBDIRS); do (cd "$$i" && $(MAKE)) || exit; done
 
 clean:
-	@for i in $(SUBDIRS); do (cd $$i && $(MAKE) clean) || exit; done
+	@for i in $(SUBDIRS); do (cd "$$i" && $(MAKE) clean) || exit; done
 
 distclean:
-	@for i in $(SUBDIRS); do (cd $$i && $(MAKE) distclean) || exit; done
+	@for i in $(SUBDIRS); do (cd "$$i" && $(MAKE) distclean) || exit; done
 
 dist:
 	$(RM) -r -- $(PACKAGE)-$(VERSION)
@@ -30,9 +30,9 @@ dist:
 	$(RM) -- $(PACKAGE)-$(VERSION)
 
 install:
-	@for i in $(SUBDIRS); do (cd $$i && $(MAKE) install) || exit; done
+	@for i in $(SUBDIRS); do (cd "$$i" && $(MAKE) install) || exit; done
 
 uninstall:
-	@for i in $(SUBDIRS); do (cd $$i && $(MAKE) uninstall) || exit; done
+	@for i in $(SUBDIRS); do (cd "$$i" && $(MAKE) uninstall) || exit; done
 
 .PHONY: all subdirs clean distclean dist install uninstall