diff --git a/Kbuild b/Kbuild
index b55c0d4d51c0..154a489b2142 100644
--- a/Kbuild
+++ b/Kbuild
@@ -3543,6 +3543,8 @@ cppflags-$(CONFIG_6G_SCAN_CHAN_SORT_ALGO) += -DFEATURE_6G_SCAN_CHAN_SORT_ALGO
 
 cppflags-$(CONFIG_RX_FISA) += -DWLAN_SUPPORT_RX_FISA
 
+cppflags-$(CONFIG_RX_DEFRAG_DO_NOT_REINJECT) += -DRX_DEFRAG_DO_NOT_REINJECT
+
 cppflags-$(CONFIG_MORE_TX_DESC) += -DTX_TO_NPEERS_INC_TX_DESCS
 
 ccflags-$(CONFIG_HASTINGS_BT_WAR) += -DHASTINGS_BT_WAR
diff --git a/configs/default_defconfig b/configs/default_defconfig
index 5eb4812d58e4..6c0a44b91f23 100644
--- a/configs/default_defconfig
+++ b/configs/default_defconfig
@@ -461,6 +461,7 @@ endif
 endif #CONFIG_HELIUMPLUS
 
 ifeq ($(CONFIG_LITHIUM), y)
+CONFIG_RX_DEFRAG_DO_NOT_REINJECT := y
 #
 # Enable VERBOSE debug INI mechanism
 #