diff --git a/poky/meta/classes/kernel-yocto.bbclass b/poky/meta/classes/kernel-yocto.bbclass
index a35c592..35587dd 100644
--- a/poky/meta/classes/kernel-yocto.bbclass
+++ b/poky/meta/classes/kernel-yocto.bbclass
@@ -155,7 +155,7 @@
 			fi
 			in_tree_defconfig="${WORKDIR}/defconfig"
 		else
-			bbfatal "A KBUILD_DEFCONFIG '${KBUILD_DEFCONFIG}' was specified, but not present in the source tree"
+			bbfatal "A KBUILD_DEFCONFIG '${KBUILD_DEFCONFIG}' was specified, but not present in the source tree (${S}/arch/${ARCH}/configs/)"
 		fi
 	fi