diff --git a/autobuild_mac80211_release/mt7988_mt7996_mac80211/target/linux/mediatek/patches-5.4/999-3021-mtk-wed-add-wed3-support.patch b/autobuild_mac80211_release/mt7988_mt7996_mac80211/target/linux/mediatek/patches-5.4/999-3021-mtk-wed-add-wed3-support.patch
index 8c5f048..bccc43e 100644
--- a/autobuild_mac80211_release/mt7988_mt7996_mac80211/target/linux/mediatek/patches-5.4/999-3021-mtk-wed-add-wed3-support.patch
+++ b/autobuild_mac80211_release/mt7988_mt7996_mac80211/target/linux/mediatek/patches-5.4/999-3021-mtk-wed-add-wed3-support.patch
@@ -829,7 +829,7 @@
 +		page_idx++;
 +       }
 +
-+	dma_free_coherent(dev->hw->dev, ring_size * sizeof(*desc),
++	dma_free_coherent(dev->hw->dev, dev->rx_page_buf_ring.size * sizeof(*desc),
 +                         desc, dev->rx_page_buf_ring.desc_phys);
 +
 +free_pagelist: