diff --git a/lib/index.js b/lib/index.js
index b3cc6709..542a5b7a 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -790,11 +790,13 @@ class Generator extends EventEmitter {
       options = {};
     }
 
+    const returnCompose = ret => (returnNewGenerator ? ret : this);
+
     let instantiatedGenerator;
 
     if (Array.isArray(generator)) {
       const generators = generator.map(gen => this.composeWith(gen, options));
-      return returnNewGenerator ? generators : this;
+      return returnCompose(generators);
     }
 
     const instantiate = (Generator, path) => {
@@ -877,7 +879,7 @@ class Generator extends EventEmitter {
     }
 
     if (!instantiatedGenerator) {
-      return returnNewGenerator ? instantiatedGenerator : this;
+      return returnCompose(instantiatedGenerator);
     }
 
     if (this._running) {
@@ -886,7 +888,7 @@ class Generator extends EventEmitter {
       this._composedWith.push(instantiatedGenerator);
     }
 
-    return returnNewGenerator ? instantiatedGenerator : this;
+    return returnCompose(instantiatedGenerator);
   }
 
   /**