diff --git a/src/backend/access/gin/ginfast.c b/src/backend/access/gin/ginfast.c
index 0034889..5fbd3ec 100644
--- a/src/backend/access/gin/ginfast.c
+++ b/src/backend/access/gin/ginfast.c
@@ -765,7 +765,7 @@ ginInsertCleanup(GinState *ginstate, bool full_clean,
 	bool		cleanupFinish = false;
 	bool		fsm_vac = false;
 	Size		workMemory;
-	bool		inVacuum = (stats == NULL);
+	bool		inVacuum = (stats != NULL);
 
 	/*
 	 * We would like to prevent concurrent cleanup process. For that we will
diff --git a/src/backend/access/gin/ginvacuum.c b/src/backend/access/gin/ginvacuum.c
index a20a99c..82e9077 100644
--- a/src/backend/access/gin/ginvacuum.c
+++ b/src/backend/access/gin/ginvacuum.c
@@ -683,6 +683,10 @@ ginvacuumcleanup(IndexVacuumInfo *info, IndexBulkDeleteResult *stats)
 		if (IsAutoVacuumWorkerProcess())
 		{
 			initGinState(&ginstate, index);
+
+			/* Make stats non-NULL to ensure cleaning up pending inserts */
+			if (stats == NULL)
+				stats = (IndexBulkDeleteResult *) palloc0(sizeof(IndexBulkDeleteResult));
 			ginInsertCleanup(&ginstate, false, true, stats);
 		}
 		return stats;