diff --git a/git-am.sh b/git-am.sh
index 6cdd5910d..f1a03c912 100755
--- a/git-am.sh
+++ b/git-am.sh
@@ -507,6 +507,8 @@ else
 	fi
 fi
 
+git update-index -q --refresh
+
 case "$resolved" in
 '')
 	case "$HAS_HEAD" in