diff --git a/Visualization/SpectrumView.m b/Visualization/SpectrumView.m
index a721e0de9..a745a29ab 100644
--- a/Visualization/SpectrumView.m
+++ b/Visualization/SpectrumView.m
@@ -28,7 +28,6 @@ extern NSString *CogPlaybackDidStopNotficiation;
 	BOOL isListening;
 	BOOL bandsReset;
 	BOOL cameraControlEnabled;
-	BOOL isOpenGL;
 
 	NSColor *backgroundColor;
 	ddb_analyzer_t _analyzer;
@@ -47,20 +46,10 @@ extern NSString *CogPlaybackDidStopNotficiation;
 
 - (id)initWithFrame:(NSRect)frame {
 	NSDictionary *sceneOptions = @{
-		SCNPreferredRenderingAPIKey: @(SCNRenderingAPIOpenGLCore32)
+		SCNPreferredRenderingAPIKey: @(SCNRenderingAPIMetal),
+		SCNPreferredDeviceKey: MTLCreateSystemDefaultDevice(),
+		SCNPreferLowPowerDeviceKey: @(NO)
 	};
-	isOpenGL = YES;
-
-	if(@available(macOS 10.15, *)) {
-		id<MTLDevice> device = MTLCreateSystemDefaultDevice();
-		if([device supportsFamily:MTLGPUFamilyMac2]) {
-			sceneOptions = @{
-				SCNPreferredRenderingAPIKey: @(SCNRenderingAPIMetal),
-				SCNPreferredDeviceKey: device
-			};
-			isOpenGL = NO;
-		}
-	}
 
 	self = [super initWithFrame:frame options:sceneOptions];
 	if(self) {
@@ -117,8 +106,6 @@ extern NSString *CogPlaybackDidStopNotficiation;
 		SCNMaterial *material = materials[0];
 		material.diffuse.contents = barColor;
 		material.emission.contents = barColor;
-		if(isOpenGL)
-			material.emission.intensity = 0;
 	}
 
 	{
@@ -128,8 +115,6 @@ extern NSString *CogPlaybackDidStopNotficiation;
 		SCNMaterial *material = materials[0];
 		material.diffuse.contents = dotColor;
 		material.emission.contents = dotColor;
-		if(isOpenGL)
-			material.emission.intensity = 0;
 	}
 }
 
@@ -345,7 +330,7 @@ extern NSString *CogPlaybackDidStopNotficiation;
 		SCNNode *dotNode = nodes[i + 1 + 11];
 		SCNVector3 position = node.position;
 		position.y = maxValue * 0.5;
-		node.scale = SCNVector3Make(1.0, maxValue + 1e-7, 1.0);
+		node.scale = SCNVector3Make(1.0, maxValue, 1.0);
 		node.position = position;
 
 		position = dotNode.position;