diff --git a/packages/babel-helper-define-map/src/index.js b/packages/babel-helper-define-map/src/index.js
index 59c93d8f54..4e1b7eccf5 100644
--- a/packages/babel-helper-define-map/src/index.js
+++ b/packages/babel-helper-define-map/src/index.js
@@ -65,8 +65,12 @@ export function push(mutatorMap: Object, node: Object, kind: string, file, scope
     value = nameFunction({ id: key, node: value, scope });
 
     // Class methods don't have their name bound in the funciton body.
-    if (t.isClassMethod(node) && value.id) {
-      value.id[t.NOT_LOCAL_BINDING] = true;
+    if (t.isClassMethod(node)) {
+      if (value.id) {
+        value.id[t.NOT_LOCAL_BINDING] = true;
+      } else if (t.isCallExpression(value) && t.isFunctionExpression(value.callee) && value.callee.id) {
+        value.callee.id[t.NOT_LOCAL_BINDING] = true;
+      }
     }
   }