diff --git a/poky/meta/classes/cargo_common.bbclass b/poky/meta/classes/cargo_common.bbclass
index 90fad75..39f3282 100644
--- a/poky/meta/classes/cargo_common.bbclass
+++ b/poky/meta/classes/cargo_common.bbclass
@@ -45,7 +45,7 @@
 	directory = "${CARGO_VENDORING_DIRECTORY}"
 	EOF
 
-	if [ -z "${EXTERNALSRC}" ] && [ ${CARGO_DISABLE_BITBAKE_VENDORING} = "0" ]; then
+	if [ ${CARGO_DISABLE_BITBAKE_VENDORING} = "0" ]; then
 		cat <<- EOF >> ${CARGO_HOME}/config
 
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