diff --git a/migration/dirtyrate.c b/migration/dirtyrate.c
index 036ac017fc91f111dcfca1b2dc34bf8be8cb0648..c5d79895f325c1bd1ae8e80a28fed61ca33cb4ee 100644
--- a/migration/dirtyrate.c
+++ b/migration/dirtyrate.c
@@ -319,7 +319,7 @@ static void cleanup_dirtyrate_stat(struct DirtyRateConfig config)
 {
     /* last calc-dirty-rate qmp use dirty ring mode */
     if (dirtyrate_mode == DIRTY_RATE_MEASURE_MODE_DIRTY_RING) {
-        free(DirtyStat.dirty_ring.rates);
+        g_free(DirtyStat.dirty_ring.rates);
         DirtyStat.dirty_ring.rates = NULL;
     }
 }