diff --git a/contrib/completion/git-completion.bash b/contrib/completion/git-completion.bash
index ff216f1c65..d4f0e08f58 100644
--- a/contrib/completion/git-completion.bash
+++ b/contrib/completion/git-completion.bash
@@ -2407,6 +2407,16 @@ _git_rebase ()
 _git_reflog ()
 {
 	local subcommands="show delete expire"
+	local subcommand="$(__git_find_subcommand "$subcommands" "show")"
+
+	case "$subcommand,$cur" in
+	show,--*)
+		__gitcomp "
+			$__git_log_common_options
+			"
+		return
+		;;
+	esac
 
 	__git_complete_refs
 
diff --git a/t/t9902-completion.sh b/t/t9902-completion.sh
index dbd57e6a28..04f3620e5b 100755
--- a/t/t9902-completion.sh
+++ b/t/t9902-completion.sh
@@ -2626,7 +2626,10 @@ test_expect_success 'git reflog show' '
 	shown Z
 	EOF
 	test_completion "git reflog show sho" "shown " &&
-	test_completion "git reflog shown sho" "shown "
+	test_completion "git reflog shown sho" "shown " &&
+	test_completion "git reflog --unt" "--until=" &&
+	test_completion "git reflog show --unt" "--until=" &&
+	test_completion "git reflog shown --unt" "--until="
 '
 
 test_expect_success 'options with value' '