Index: java/installer2/src/net/oni2/aeinstaller/backend/oni/OniLauncher.java
===================================================================
--- java/installer2/src/net/oni2/aeinstaller/backend/oni/OniLauncher.java	(revision 757)
+++ java/installer2/src/net/oni2/aeinstaller/backend/oni/OniLauncher.java	(revision 766)
@@ -23,6 +23,8 @@
 				break;
 			case MACOS:
-				exe = new File(Paths.getEditionBasePath(),
-						"Oni.app/Contents/MacOS/Oni");
+				exe = new File("./Oni.app/Contents/MacOS/Oni");
+				if (new File(Paths.getEditionBasePath(),
+						"Oni.app/Contents/MacOS/Oni").exists())
+					return exe;
 				break;
 			case LINUX:
@@ -44,5 +46,5 @@
 		}
 	}
-	
+
 	/**
 	 * @param windowed
@@ -62,6 +64,6 @@
 		if (windowed)
 			params.add("-noswitch");
-		ApplicationInvoker.execute(getOniExeType(), Paths.getEditionBasePath(), exe,
-				params);
+		ApplicationInvoker.execute(getOniExeType(), Paths.getEditionBasePath(),
+				exe, params);
 	}