diff --git a/src/GreenPlayer.js b/src/GreenPlayer.js
index 24d281f..882b067 100644
--- a/src/GreenPlayer.js
+++ b/src/GreenPlayer.js
@@ -116,11 +116,11 @@ class SoundPlayer extends EventEmitter {
             return;
         }
 
-        if (this.volumeEffect !== null) {
-            this.volumeEffect.connect(target);
-        } else {
+        if (this.volumeEffect === null) {
             this.outputNode.disconnect();
             this.outputNode.connect(target.getInputNode());
+        } else {
+            this.volumeEffect.connect(target);
         }
 
         return this;
diff --git a/test/SoundPlayer.js b/test/SoundPlayer.js
index c55fe6f..51b2efe 100644
--- a/test/SoundPlayer.js
+++ b/test/SoundPlayer.js
@@ -39,14 +39,13 @@ tap.test('SoundPlayer', suite => {
 
     suite.plan(4);
 
-    suite.test('play initializes and creates chain', t => {
+    suite.test('play initializes and creates source node', t => {
         t.plan(3);
         t.equal(soundPlayer.initialized, false, 'not yet initialized');
         soundPlayer.play();
         t.equal(soundPlayer.initialized, true, 'now is initialized');
-        let buffer = audioContext.DECODE_AUDIO_DATA_RESULT.toJSON();
         t.deepEqual(soundPlayer.outputNode.toJSON(), {
-            buffer,
+            buffer: audioContext.DECODE_AUDIO_DATA_RESULT.toJSON(),
             inputs: [],
             loop: false,
             loopEnd: 0,
@@ -65,7 +64,7 @@ tap.test('SoundPlayer', suite => {
         t.plan(1);
         soundPlayer.play();
         soundPlayer.connect(audioEngine);
-        t.deepEqual(audioEngine.inputNode.toJSON().inputs, [
+        t.deepEqual(help.engineInputs, [
             soundPlayer.outputNode.toJSON()
         ], 'output node connects to input node');
         t.end();
@@ -80,7 +79,7 @@ tap.test('SoundPlayer', suite => {
         audioContext.$processTo(0);
         soundPlayer.stop();
         t.equal(soundPlayer.outputNode, null, 'nullify outputNode immediately (taken sound is stopping)');
-        t.deepEqual(audioEngine.inputNode.toJSON().inputs, [{
+        t.deepEqual(help.engineInputs, [{
             name: 'GainNode',
             gain: {
                 value: 1,
@@ -90,13 +89,13 @@ tap.test('SoundPlayer', suite => {
         }], 'output node connects to gain node to input node');
 
         audioContext.$processTo(audioEngine.DECAY_TIME / 2);
-        const engineInputs = audioEngine.inputNode.toJSON().inputs;
+        const engineInputs = help.engineInputs;
         t.notEqual(engineInputs[0].gain.value, 1, 'gain value should not be 1');
         t.notEqual(engineInputs[0].gain.value, 0, 'gain value should not be 0');
         t.equal(outputNode.$state, 'PLAYING');
 
         audioContext.$processTo(audioEngine.DECAY_TIME);
-        t.deepEqual(audioEngine.inputNode.toJSON().inputs, [{
+        t.deepEqual(help.engineInputs, [{
             name: 'GainNode',
             gain: {
                 value: 0,