diff --git a/lib/schema.js b/lib/schema.js
index 73716ca7f20..c501792c529 100644
--- a/lib/schema.js
+++ b/lib/schema.js
@@ -2224,7 +2224,7 @@ Schema.prototype.virtual = function(name, options) {
       if (this.paths[cur] == null) {
         continue;
       }
-      
+
       if (this.paths[cur].$isMongooseDocumentArray || this.paths[cur].$isSingleNested) {
         const remnant = parts.slice(i + 1).join('.');
         this.paths[cur].schema.virtual(remnant, options);