diff --git a/github.sh b/github.sh
index caede76db5b1..cf173c1be14d 100755
--- a/github.sh
+++ b/github.sh
@@ -43,8 +43,8 @@ env | grep "ENVSUBST"
 ## Render Script Templates
 envsubst_varlist='$ENV_ENVSUBST $RC_TARBALL_ENVSUBST $AWS_DEFAULT_REGION_ENVSUBST $S3_BUCKET_ENVSUBST $RC_DIR_ENVSUBST'
 
-envsubst '$ENV_ENVSUBST $RC_TARBALL_ENVSUBST $AWS_DEFAULT_REGION_ENVSUBST $S3_BUCKET_ENVSUBST $RC_DIR_ENVSUBST' < ./pre_install_gh.sh.tpl  > ./pre_install.sh
-envsubst '$ENV_ENVSUBST $RC_TARBALL_ENVSUBST $AWS_DEFAULT_REGION_ENVSUBST $S3_BUCKET_ENVSUBST $RC_DIR_ENVSUBST' < ./rotate_version_gh.sh.tpl > ./rotate_version.sh
+envsubst '$ENV_ENVSUBST,$RC_TARBALL_ENVSUBST,$AWS_DEFAULT_REGION_ENVSUBST,$S3_BUCKET_ENVSUBST,$RC_DIR_ENVSUBST' < ./pre_install_gh.sh.tpl  > ./pre_install.sh
+envsubst '$ENV_ENVSUBST,$RC_TARBALL_ENVSUBST,$AWS_DEFAULT_REGION_ENVSUBST,$S3_BUCKET_ENVSUBST,$RC_DIR_ENVSUBST' < ./rotate_version_gh.sh.tpl > ./rotate_version.sh
 
 echo "print script pre_install.sh:"
 cat pre_install.sh