diff --git a/contrib/completion/git-completion.bash b/contrib/completion/git-completion.bash
index 7cf855746..d3fec3299 100755
--- a/contrib/completion/git-completion.bash
+++ b/contrib/completion/git-completion.bash
@@ -1069,7 +1069,8 @@ _git_grep ()
 		return
 		;;
 	esac
-	COMPREPLY=()
+
+	__gitcomp "$(__git_refs)"
 }
 
 _git_help ()