diff --git a/Makefile.include b/Makefile.include
index 4acaa0dc1..4561c1a47 100644
--- a/Makefile.include
+++ b/Makefile.include
@@ -1,3 +1,4 @@
+# -*- makefile -*-
 LINKERSCRIPT := $(MC1322X)/mc1322x.lds
 LIBMC1322X := $(MC1322X)/libmc1322x
 
diff --git a/board/Makefile.board b/board/Makefile.board
index 15887a010..92c63c15a 100644
--- a/board/Makefile.board
+++ b/board/Makefile.board
@@ -1,3 +1,5 @@
+# -*- makefile -*-
+
 #BOARDS := redbee-dev redbee-module redbee-r1 redbee-usb redbee-econotag
 BOARDS := redbee-dev redbee-r1 
 
@@ -16,4 +18,4 @@ endif
 
 $(OBJDIR)/board.h: $(OBJDIR) 
 	ln -sf ../$(MC1322X)/board/$(BOARD).h $(OBJDIR)/board.h
-	touch $(OBJDIR)/board.h
\ No newline at end of file
+	touch $(OBJDIR)/board.h
diff --git a/libmc1322x/Makefile.lib b/libmc1322x/Makefile.lib
index 129ed4ce9..3a5a15c32 100644
--- a/libmc1322x/Makefile.lib
+++ b/libmc1322x/Makefile.lib
@@ -1,3 +1,5 @@
+# -*- makefile -*-
+
 CFLAGS += -I$(LIBMC1322X)/include
 
 LIBOBJS = $(patsubst %.c,%.o,$(wildcard $(LIBMC1322X)/*.c))