diff --git a/builtin/hash-object.c b/builtin/hash-object.c
index 526da5c..a9a3a19 100644
--- a/builtin/hash-object.c
+++ b/builtin/hash-object.c
@@ -9,7 +9,7 @@
 #include "blob.h"
 #include "quote.h"
 #include "parse-options.h"
-#include "exec_cmd.h"
+#include "exec-cmd.h"
 
 /*
  * This is to create corrupt objects for debugging and as such it