diff --git a/plat/mediatek/mt8173/drivers/spm/spm_hotplug.c b/plat/mediatek/mt8173/drivers/spm/spm_hotplug.c
index fccd5a2..b89cd97 100644
--- a/plat/mediatek/mt8173/drivers/spm/spm_hotplug.c
+++ b/plat/mediatek/mt8173/drivers/spm/spm_hotplug.c
@@ -40,7 +40,7 @@
  * This driver controls the cpu power in cpu hotplug flow.
  */
 
-#define PCM_HOTPLUG_VALID_MASK	0x00ff0000
+#define PCM_HOTPLUG_VALID_MASK	0x0000ff00
 #define PCM_HOTPLUG_VALID_SHIFT	0x8
 
 /**********************************************************