diff --git a/contrib/completion/git-completion.bash b/contrib/completion/git-completion.bash
index ddb71e26fe..1f44ec2092 100755
--- a/contrib/completion/git-completion.bash
+++ b/contrib/completion/git-completion.bash
@@ -1165,7 +1165,7 @@ _git_log ()
 			$__git_log_shortlog_options
 			$__git_log_gitk_options
 			--root --topo-order --date-order --reverse
-			--follow
+			--follow --full-diff
 			--abbrev-commit --abbrev=
 			--relative-date --date=
 			--pretty= --format= --oneline