diff --git a/mt7915/debugfs.c b/mt7915/debugfs.c
index 6c3696c8..f12b1f7d 100644
--- a/mt7915/debugfs.c
+++ b/mt7915/debugfs.c
@@ -523,7 +523,8 @@ mt7915_fw_debug_wm_set(void *data, u64 val)
 
 	/* WM CPU info record control */
 	mt76_clear(dev, MT_CPU_UTIL_CTRL, BIT(0));
-	mt76_wr(dev, MT_DIC_CMD_REG_CMD, BIT(2) | BIT(13) | !dev->fw.debug_wm);
+	mt76_wr(dev, MT_DIC_CMD_REG_CMD, BIT(2) | BIT(13) |
+		(dev->fw.debug_wm ? 0 : BIT(0)));
 	mt76_wr(dev, MT_MCU_WM_CIRQ_IRQ_MASK_CLR_ADDR, BIT(5));
 	mt76_wr(dev, MT_MCU_WM_CIRQ_IRQ_SOFT_ADDR, BIT(5));