diff --git a/Kbuild b/Kbuild
index 32e2ce9..c73f12c 100644
--- a/Kbuild
+++ b/Kbuild
@@ -3248,6 +3248,8 @@
 
 cppflags-$(CONFIG_MORE_TX_DESC) += -DTX_TO_NPEERS_INC_TX_DESCS
 
+cppflags-$(CONFIG_FIX_TXDMA_ALIGNMENT) += -DFIX_TXDMA_LIMITATION
+
 ccflags-$(CONFIG_HASTINGS_BT_WAR) += -DHASTINGS_BT_WAR
 
 cppflags-$(CONFIG_SLUB_DEBUG_ON) += -DHIF_CONFIG_SLUB_DEBUG_ON
diff --git a/configs/default_defconfig b/configs/default_defconfig
index bbf3a6a..cda2e89 100644
--- a/configs/default_defconfig
+++ b/configs/default_defconfig
@@ -25,6 +25,7 @@
 	CONFIG_DIRECT_BUF_RX_ENABLE := y
 	CONFIG_WMI_DBR_SUPPORT := y
 	CONFIG_MORE_TX_DESC := y
+	CONFIG_FIX_TXDMA_ALIGNMENT := y
 endif
 
 ifeq ($(CONFIG_CNSS_QCA6490), y)