diff --git a/hack/after-build/verify-generated-swagger-docs.sh b/hack/after-build/verify-generated-swagger-docs.sh
index 288bcf1982b..4126e3b77ea 100755
--- a/hack/after-build/verify-generated-swagger-docs.sh
+++ b/hack/after-build/verify-generated-swagger-docs.sh
@@ -47,7 +47,7 @@ cp -a "${DIFFROOT}" "${TMP_DIFFROOT}"
 echo "diffing ${DIFFROOT} against freshly generated swagger type documentation"
 ret=0
 diff -Naupr -I 'Auto generated by' "${DIFFROOT}" "${TMP_DIFFROOT}" || ret=$?
-cp -a "${TMP_DIFFROOT}/" "${KUBE_ROOT}/"
+cp -a "${TMP_DIFFROOT}" "${KUBE_ROOT}/"
 rm -rf "${_tmp}"
 if [[ $ret -eq 0 ]]
 then