diff --git a/drivers/net/wireless/mwifiex/decl.h b/drivers/net/wireless/mwifiex/decl.h
index 0e03fe39fc35ea64fca0933a20b46966686a5208..e0d00a7f0ec314f9dd03e288af38cbd5c6aa1731 100644
--- a/drivers/net/wireless/mwifiex/decl.h
+++ b/drivers/net/wireless/mwifiex/decl.h
@@ -48,8 +48,8 @@
 #define MWIFIEX_UAP_AMPDU_DEF_RXWINSIZE        16
 #define MWIFIEX_11AC_STA_AMPDU_DEF_TXWINSIZE   64
 #define MWIFIEX_11AC_STA_AMPDU_DEF_RXWINSIZE   64
-#define MWIFIEX_11AC_UAP_AMPDU_DEF_TXWINSIZE   48
-#define MWIFIEX_11AC_UAP_AMPDU_DEF_RXWINSIZE   32
+#define MWIFIEX_11AC_UAP_AMPDU_DEF_TXWINSIZE   64
+#define MWIFIEX_11AC_UAP_AMPDU_DEF_RXWINSIZE   64
 
 #define MWIFIEX_DEFAULT_BLOCK_ACK_TIMEOUT  0xffff