diff --git a/Kbuild b/Kbuild
index 4e137d3c1881..4efbb00150e5 100644
--- a/Kbuild
+++ b/Kbuild
@@ -2620,6 +2620,7 @@ cppflags-$(CONFIG_CHECKSUM_OFFLOAD) += -DCHECKSUM_OFFLOAD
 cppflags-$(CONFIG_IPA_OFFLOAD) += -DIPA_OFFLOAD
 
 cppflags-$(CONFIG_WDI3_IPA_OVER_GSI) += -DIPA_WDI3_GSI
+cppflags-$(CONFIG_WDI2_IPA_OVER_GSI) += -DIPA_WDI2_GSI
 
 ifeq ($(CONFIG_ARCH_SDX20), y)
 cppflags-y += -DSYNC_IPA_READY