diff --git a/lib/schema.js b/lib/schema.js
index db45ba78a54..809d80463d7 100644
--- a/lib/schema.js
+++ b/lib/schema.js
@@ -782,7 +782,7 @@ Schema.prototype.path = function(path, obj) {
       schemaType.schema.subpaths[key].$isUnderneathDocArray = true;
     }
     for (const key of Object.keys(schemaType.schema.singleNestedPaths)) {
-      if (typeof schema.singleNestedPaths[cleanPath] !== 'object') {
+      if (typeof schemaType.schema.singleNestedPaths[cleanPath] !== 'object') {
         continue;
       }
       this.subpaths[path + '.' + key] = schemaType.schema.singleNestedPaths[key];