diff --git a/hal/wifi3.0/hal_api.h b/hal/wifi3.0/hal_api.h
index f9d77899aa90..2a77b2f578a3 100644
--- a/hal/wifi3.0/hal_api.h
+++ b/hal/wifi3.0/hal_api.h
@@ -41,7 +41,7 @@
 #define WINDOW_ENABLE_BIT 0x80000000
 #define WINDOW_REG_ADDRESS 0x310C
 #define WINDOW_SHIFT 19
-#define WINDOW_VALUE_MASK 0x1F
+#define WINDOW_VALUE_MASK 0x3F
 #define WINDOW_START MAX_UNWINDOWED_ADDRESS
 #define WINDOW_RANGE_MASK 0x7FFFF