diff --git a/spectral/Kbuild b/spectral/Kbuild
index a30b951d2df8..5f7baf903547 100644
--- a/spectral/Kbuild
+++ b/spectral/Kbuild
@@ -28,6 +28,7 @@ INCS += -I$(obj)/$(DEPTH)/cmn_dev/os_if/linux/spectral/inc
 INCS += -I$(obj)/$(DEPTH)/cmn_dev/os_if/linux/scan/inc
 INCS += -I$(obj)/$(DEPTH)/cmn_dev/spectral/core
 INCS += -I$(obj)/$(DEPTH)/cmn_dev/target_if/direct_buf_rx/inc
+INCS += -I$(obj)/$(DEPTH)/cmn_dev/wbuff/inc
 
 ifeq ($(WLAN_CONV_CRYPTO_SUPPORTED), 1)
 INCS += -I$(obj)/$(DEPTH)/cmn_dev/umac/cmn_services/crypto/inc