diff --git a/blame.c b/blame.c
index 91e26e93e8a23d0af63e1bc8a74e9f7690276ab4..f575e9cbf4e3224049fe43b7f794d2dd8770eda7 100644
--- a/blame.c
+++ b/blame.c
@@ -1663,7 +1663,7 @@ static struct commit *find_single_final(struct rev_info *revs,
 		name = revs->pending.objects[i].name;
 	}
 	if (name_p)
-		*name_p = name;
+		*name_p = xstrdup_or_null(name);
 	return found;
 }
 
@@ -1735,7 +1735,7 @@ static struct commit *find_single_initial(struct rev_info *revs,
 		die("No commit to dig up from?");
 
 	if (name_p)
-		*name_p = name;
+		*name_p = xstrdup(name);
 	return found;
 }
 
@@ -1843,6 +1843,8 @@ void setup_scoreboard(struct blame_scoreboard *sb, const char *path, struct blam
 
 	if (orig)
 		*orig = o;
+
+	free((char *)final_commit_name);
 }