diff --git a/Kbuild b/Kbuild
index 5ad44b5..82409c3 100644
--- a/Kbuild
+++ b/Kbuild
@@ -2552,6 +2552,10 @@
 ccflags-y += -DCFG_TGT_DEFAULT_GTK_OFFLOAD_MAX_VDEV=$(CONFIG_CFG_GTK_OFFLOAD_MAX_VDEV)
 endif
 
+ifdef CONFIG_TGT_NUM_MSDU_DESC
+ccflags-y += -DCFG_TGT_NUM_MSDU_DESC=$(CONFIG_TGT_NUM_MSDU_DESC)
+endif
+
 ifdef CONFIG_CFG_ROAM_OFFLOAD_MAX_VDEV
 ccflags-y += -DCFG_TGT_DEFAULT_ROAM_OFFLOAD_MAX_VDEV=$(CONFIG_CFG_ROAM_OFFLOAD_MAX_VDEV)
 endif