1 files changed, 1 insertions, 0 deletions

diff --git a/ws.c b/ws.c
index da3d0e28cb..036ccb8ee9 100644
--- a/ws.c
+++ b/ws.c
@@ -5,6 +5,7 @@
  */
 #include "cache.h"
 #include "attr.h"
+#include "strbuf.h"
 
 static struct whitespace_rule {
 	const char *rule_name;