diff --git a/project.hxp b/project.hxp
index 72a951d23..991c77d97 100644
--- a/project.hxp
+++ b/project.hxp
@@ -1740,17 +1740,42 @@ class Project extends HXProject
     var env = new Map<String, Dynamic>();
     for (line in envFile.split('\n'))
     {
-      if (line == "" || line.startsWith("#")) continue;
+      if (line.length <= 0 || line.startsWith("#") || shouldExcludeKey(line)) continue;
 
-      var parts = line.split('=');
-      if (parts.length != 2) continue;
+      var index:Int = line.indexOf('=');
 
-      env.set(parts[0], parts[1]);
+      if (index == -1) continue;
+
+      var field:String = line.substr(0, index);
+      var value:String = line.substr(index + 1);
+
+      env.set(field, value);
     }
 
     return env;
   }
 
+  private static function shouldExcludeEnvKey(key:String):Bool
+  {
+    final android:Bool = key.startsWith('ANDROID_');
+    final ios:Bool = key.startsWith('IOS_');
+    final mobile:Bool = key.startsWith('MOBILE_') || ios || android;
+    final web:Bool = key.startsWith('WEB_');
+    final desktop:Bool = key.startsWith('DESKTOP_');
+
+    #if html5
+    if (mobile || desktop) return true;
+    #elseif desktop
+    if (mobile || web) return true;
+    #elseif android
+    if (mobile || web || desktop) return true;
+    #elseif ios
+    if (android || web || desktop) return true;
+    #end
+
+    return false;
+  }
+
   public function readASTCExclusion():Void
   {
     astcExcludes = File.getContent('./compression-excludes.txt').trim().split('\n');