diff --git a/contrib/coccinelle/preincr.cocci b/contrib/coccinelle/preincr.cocci
new file mode 100644
index 0000000000..7fe1e8d2d9
--- /dev/null
+++ b/contrib/coccinelle/preincr.cocci
@@ -0,0 +1,5 @@
+@ preincrement @
+identifier i;
+@@
+- ++i > 1
++ i++
diff --git a/fsck.c b/fsck.c
index 0f56977d6a..d44c46c527 100644
--- a/fsck.c
+++ b/fsck.c
@@ -485,7 +485,7 @@ static int fsck_walk_commit(struct commit *commit, void *data, struct fsck_optio
 		if (name) {
 			struct object *obj = &parents->item->object;
 
-			if (++counter > 1)
+			if (counter++)
 				put_object_name(options, obj, "%s^%d",
 					name, counter);
 			else if (generation > 0)