diff --git a/assets/init b/assets/init
index b604fc76..ef7465dc 100755
--- a/assets/init
+++ b/assets/init
@@ -26,8 +26,8 @@ GITLAB_BACKUPS=${GITLAB_BACKUPS:-disable}
 GITLAB_BACKUP_EXPIRY=${GITLAB_BACKUP_EXPIRY:-}
 
 NGINX_MAX_UPLOAD_SIZE=${NGINX_MAX_UPLOAD_SIZE:-20m}
-GITLAB_MAX_SIZE=$(echo $NGINX_MAX_SIZE |sed -e "s/^ *\([0-9]*\)[mMkKgG] *$/\1/g" )
-case "$NGINX_MAX_SIZE" in
+GITLAB_MAX_SIZE=$(echo $NGINX_MAX_UPLOAD_SIZE |sed -e "s/^ *\([0-9]*\)[mMkKgG] *$/\1/g" )
+case "$NGINX_MAX_UPLOAD_SIZE" in
     *[kK] ) GITLAB_MAX_SIZE=$(($GITLAB_MAX_SIZE * 1024));;
     *[mM] ) GITLAB_MAX_SIZE=$(($GITLAB_MAX_SIZE * 1048576));;
     *[gG] ) GITLAB_MAX_SIZE=$(($GITLAB_MAX_SIZE * 1073741824));;