diff --git a/vtm-desktop/src/org/oscim/awt/AwtGraphics.java b/vtm-desktop/src/org/oscim/awt/AwtGraphics.java
index e1276dc1..971f8894 100644
--- a/vtm-desktop/src/org/oscim/awt/AwtGraphics.java
+++ b/vtm-desktop/src/org/oscim/awt/AwtGraphics.java
@@ -31,17 +31,20 @@ import java.awt.RenderingHints;
 import java.awt.image.BufferedImage;
 import java.io.IOException;
 import java.io.InputStream;
+import java.util.Locale;
 
 public class AwtGraphics extends CanvasAdapter {
 
     public static void init() {
         CanvasAdapter.init(new AwtGraphics());
 
-        String os = System.getProperty("os.name").toLowerCase();
-
-        if(os.contains("win")) CanvasAdapter.platform = Platform.WINDOWS;
-        else if(os.contains("mac")) CanvasAdapter.platform = Platform.MAC_OS;
-        else CanvasAdapter.platform = Platform.LINUX;
+        String os = System.getProperty("os.name").toLowerCase(Locale.ENGLISH);
+        if (os.contains("win"))
+            CanvasAdapter.platform = Platform.WINDOWS;
+        else if (os.contains("mac"))
+            CanvasAdapter.platform = Platform.MACOS;
+        else
+            CanvasAdapter.platform = Platform.LINUX;
     }
 
     public static BufferedImage getBitmap(Bitmap bitmap) {
diff --git a/vtm-desktop/src/org/oscim/gdx/GdxMapApp.java b/vtm-desktop/src/org/oscim/gdx/GdxMapApp.java
index 9f892534..77b1456b 100644
--- a/vtm-desktop/src/org/oscim/gdx/GdxMapApp.java
+++ b/vtm-desktop/src/org/oscim/gdx/GdxMapApp.java
@@ -1,6 +1,6 @@
 /*
  * Copyright 2013 Hannes Janetzek
- * Copyright 2016 devemux86
+ * Copyright 2016-2017 devemux86
  *
  * This file is part of the OpenScienceMap project (http://www.opensciencemap.org).
  *
@@ -41,7 +41,6 @@ public class GdxMapApp extends GdxMap {
         AwtGraphics.init();
         GdxAssets.init("assets/");
         GLAdapter.init(new LwjglGL20());
-        GLAdapter.GDX_DESKTOP_QUIRKS = true;
     }
 
     public static void main(String[] args) {
diff --git a/vtm-web-app/src/org/oscim/web/client/GwtMap.java b/vtm-web-app/src/org/oscim/web/client/GwtMap.java
index bc1c3285..837d2584 100644
--- a/vtm-web-app/src/org/oscim/web/client/GwtMap.java
+++ b/vtm-web-app/src/org/oscim/web/client/GwtMap.java
@@ -1,6 +1,7 @@
 /*
  * Copyright 2013 Hannes Janetzek
  * Copyright 2016 Izumi Kawashima
+ * Copyright 2017 devemux86
  *
  * This file is part of the OpenScienceMap project (http://www.opensciencemap.org).
  *
@@ -66,7 +67,6 @@ class GwtMap extends GdxMap {
 
         log.debug("GLAdapter.init");
         GLAdapter.init((GL) Gdx.graphics.getGL20());
-        GLAdapter.GDX_WEBGL_QUIRKS = true;
         MapRenderer.setBackgroundColor(0xffffff);
         //Gdx.app.setLogLevel(Application.LOG_DEBUG);
 
diff --git a/vtm-web-js/src/org/oscim/web/client/GwtMap.java b/vtm-web-js/src/org/oscim/web/client/GwtMap.java
index c4939f60..338d3b69 100644
--- a/vtm-web-js/src/org/oscim/web/client/GwtMap.java
+++ b/vtm-web-js/src/org/oscim/web/client/GwtMap.java
@@ -1,5 +1,6 @@
 /*
  * Copyright 2013 Hannes Janetzek
+ * Copyright 2017 devemux86
  *
  * This file is part of the OpenScienceMap project (http://www.opensciencemap.org).
  *
@@ -43,7 +44,6 @@ public class GwtMap extends GdxMap {
         GdxAssets.init("");
         CanvasAdapter.textScale = 0.7f;
         GLAdapter.init((GL) Gdx.graphics.getGL20());
-        GLAdapter.GDX_WEBGL_QUIRKS = true;
         MapRenderer.setBackgroundColor(0xffffff);
 
         JsMap.init(mMap);
diff --git a/vtm-web/src/org/oscim/gdx/client/GwtGdxGraphics.java b/vtm-web/src/org/oscim/gdx/client/GwtGdxGraphics.java
index 65c69ba9..69824073 100644
--- a/vtm-web/src/org/oscim/gdx/client/GwtGdxGraphics.java
+++ b/vtm-web/src/org/oscim/gdx/client/GwtGdxGraphics.java
@@ -84,6 +84,6 @@ public class GwtGdxGraphics extends CanvasAdapter {
 
     public static void init() {
         CanvasAdapter.init(new GwtGdxGraphics());
-        CanvasAdapter.platform = Platform.WEB;
+        CanvasAdapter.platform = Platform.WEBGL;
     }
 }
diff --git a/vtm/src/org/oscim/backend/GLAdapter.java b/vtm/src/org/oscim/backend/GLAdapter.java
index 72312003..46e4ad04 100644
--- a/vtm/src/org/oscim/backend/GLAdapter.java
+++ b/vtm/src/org/oscim/backend/GLAdapter.java
@@ -1,6 +1,6 @@
 /*
  * Copyright 2013 Hannes Janetzek
- * Copyright 2016 devemux86
+ * Copyright 2016-2017 devemux86
  *
  * This file is part of the OpenScienceMap project (http://www.opensciencemap.org).
  *
@@ -17,6 +17,8 @@
  */
 package org.oscim.backend;
 
+import org.oscim.layers.tile.buildings.BuildingLayer;
+
 public class GLAdapter {
 
     public final static boolean debug = false;
@@ -43,6 +45,12 @@ public class GLAdapter {
 
     public static void init(GL gl20) {
         gl = gl20;
-        GDX_DESKTOP_QUIRKS = CanvasAdapter.platform.GDX_DESKTOP_QUIRKS;
+
+        GDX_DESKTOP_QUIRKS = CanvasAdapter.platform.isDesktop();
+        GDX_WEBGL_QUIRKS = (CanvasAdapter.platform == Platform.WEBGL);
+
+        // Buildings translucency does not work on macOS, see #61
+        if (CanvasAdapter.platform == Platform.MACOS)
+            BuildingLayer.TRANSLUCENT = false;
     }
 }
diff --git a/vtm/src/org/oscim/backend/Platform.java b/vtm/src/org/oscim/backend/Platform.java
index b9163c0f..baf6d715 100644
--- a/vtm/src/org/oscim/backend/Platform.java
+++ b/vtm/src/org/oscim/backend/Platform.java
@@ -1,5 +1,6 @@
 /*
  * Copyright 2017 Longri
+ * Copyright 2017 devemux86
  *
  * This program is free software: you can redistribute it and/or modify it under the
  * terms of the GNU Lesser General Public License as published by the Free Software
@@ -14,33 +15,26 @@
  */
 package org.oscim.backend;
 
-
 public enum Platform {
-    ANDROID(false, false),
-    IOS(true, false),
-    MAC_OS(true, true),
-    LINUX(false, true),
-    WINDOWS(false, true),
-    WEB(false, false),
-    UNKNOWN(false, false);
 
-
-    Platform(boolean buildingLayerTranslucent, boolean desktopQuirks) {
-        this.BUILDING_LAYER_TRANSLUCENT = buildingLayerTranslucent;
-        this.GDX_DESKTOP_QUIRKS = desktopQuirks;
-    }
-
-
-    public boolean BUILDING_LAYER_TRANSLUCENT;
-
-    public boolean GDX_DESKTOP_QUIRKS;
+    ANDROID,
+    IOS,
+    LINUX,
+    MACOS,
+    UNKNOWN,
+    WEBGL,
+    WINDOWS;
 
     /**
-     * Returns true when This is WINDOWS, LINUX or MAC_OS other, false
-     *
-     * @return boolean
+     * @return true if on desktop (Windows, macOS, Linux)
      */
-    public boolean isAnyDesktop() {
-        return this == LINUX || this == WINDOWS || this == MAC_OS;
+    public boolean isDesktop() {
+        switch (this) {
+            case LINUX:
+            case MACOS:
+            case WINDOWS:
+                return true;
+        }
+        return false;
     }
 }