diff --git a/src/cmd/gc/lex.c b/src/cmd/gc/lex.c
index 0c36e53a35..88acb60af1 100644
--- a/src/cmd/gc/lex.c
+++ b/src/cmd/gc/lex.c
@@ -5,7 +5,7 @@
 #define		EXTERN
 #include	"go.h"
 #include	"y.tab.h"
-#include <ar.h>
+#include	<ar.h>
 
 #undef	getc
 #undef	ungetc