diff --git a/OpenRA.Launcher.Mac/Controller.m b/OpenRA.Launcher.Mac/Controller.m
index af99ae4c82..a9eb226bb8 100644
--- a/OpenRA.Launcher.Mac/Controller.m
+++ b/OpenRA.Launcher.Mac/Controller.m
@@ -139,7 +139,7 @@
 		if ([aMod standalone])
 		{
 			id path = [[game gamePath] stringByAppendingPathComponent:@"mods"];
-			id child = [SidebarEntry entryWithMod:aMod allMods:allMods baseURL:[NSURL URLWithString:path]];
+			id child = [SidebarEntry entryWithMod:aMod allMods:allMods basePath:path];
 			[rootItem addChild:child];
 		}
 	}
diff --git a/OpenRA.Launcher.Mac/GameInstall.m b/OpenRA.Launcher.Mac/GameInstall.m
index 6a3b7a59c2..fefa8d5522 100644
--- a/OpenRA.Launcher.Mac/GameInstall.m
+++ b/OpenRA.Launcher.Mac/GameInstall.m
@@ -71,7 +71,7 @@
 			if (current != nil)
 			{	
 				id path = [gamePath stringByAppendingPathComponent:[NSString stringWithFormat:@"mods/%@",current]];
-				[ret setObject:[Mod modWithId:current fields:fields baseURL:[NSURL URLWithString:path]] forKey:current];
+				[ret setObject:[Mod modWithId:current fields:fields path:path] forKey:current];
 			}
 			NSLog(@"Parsing mod %@",value);
 			current = value;
@@ -85,7 +85,7 @@
 	if (current != nil)
 	{	
 		id path = [gamePath stringByAppendingPathComponent:[NSString stringWithFormat:@"mods/%@",current]];
-		[ret setObject:[Mod modWithId:current fields:fields baseURL:[NSURL URLWithString:path]] forKey:current];
+		[ret setObject:[Mod modWithId:current fields:fields path:path] forKey:current];
 	}
 	
 	return ret;
diff --git a/OpenRA.Launcher.Mac/JSBridge.m b/OpenRA.Launcher.Mac/JSBridge.m
index 3f11600a50..ffe57b9c0f 100644
--- a/OpenRA.Launcher.Mac/JSBridge.m
+++ b/OpenRA.Launcher.Mac/JSBridge.m
@@ -209,8 +209,7 @@ static JSBridge *SharedInstance;
 	}
 	
 	// Disallow traversing up the directory tree
-	id path = [[[mod baseURL] absoluteString]
-			   stringByAppendingPathComponent:[aFile stringByReplacingOccurrencesOfString:@"../"
+	id path = [[mod path] stringByAppendingPathComponent:[aFile stringByReplacingOccurrencesOfString:@"../"
 																			   withString:@""]];
 	
 	return [[NSFileManager defaultManager] fileExistsAtPath:path];
diff --git a/OpenRA.Launcher.Mac/Mod.h b/OpenRA.Launcher.Mac/Mod.h
index 0383e5e6f8..5c4fb234c8 100644
--- a/OpenRA.Launcher.Mac/Mod.h
+++ b/OpenRA.Launcher.Mac/Mod.h
@@ -9,7 +9,7 @@
 #import <Cocoa/Cocoa.h>
 
 @interface Mod : NSObject {
-	NSURL *baseURL;
+	NSString *path;
 	NSString *mod;
 	NSString *title;
 	NSString *version;
@@ -25,9 +25,9 @@
 @property (readonly) NSString *author;
 @property (readonly) NSString *description;
 @property (readonly) NSString *requires;
-@property (readonly) NSURL *baseURL;
+@property (readonly) NSString *path;
 @property (readonly) BOOL standalone;
 
-+ (id)modWithId:(NSString *)mid fields:(id)fields baseURL:(NSURL *)url;
-- (id)initWithId:(NSString *)anId fields:(NSDictionary *)fields baseURL:(NSURL *)url;
++ (id)modWithId:(NSString *)mid fields:(id)fields path:(NSString *)path;
+- (id)initWithId:(NSString *)anId fields:(NSDictionary *)fields path:(NSString *)path;
 @end
diff --git a/OpenRA.Launcher.Mac/Mod.m b/OpenRA.Launcher.Mac/Mod.m
index f8d90941e7..4dcced95ac 100644
--- a/OpenRA.Launcher.Mac/Mod.m
+++ b/OpenRA.Launcher.Mac/Mod.m
@@ -17,22 +17,22 @@
 @synthesize description;
 @synthesize requires;
 @synthesize standalone;
-@synthesize baseURL;
+@synthesize path;
 
-+ (id)modWithId:(NSString *)mod fields:(id)fields baseURL:(NSURL *)url
++ (id)modWithId:(NSString *)mod fields:(id)fields path:(NSString *)aPath
 {
-	id newObject = [[self alloc] initWithId:mod fields:fields baseURL:url];
+	id newObject = [[self alloc] initWithId:mod fields:fields path:aPath];
 	[newObject autorelease];
 	return newObject;
 }
 
-- (id)initWithId:(NSString *)anId fields:(NSDictionary *)fields baseURL:(NSURL *)url
+- (id)initWithId:(NSString *)anId fields:(NSDictionary *)fields path:(NSString *)aPath
 {
 	self = [super init];
 	if (self)
 	{
 		mod = [anId retain];
-		baseURL = [url retain];
+		path = [aPath retain];
 		title = [[fields objectForKey:@"Title"] retain];
 		version = [[fields objectForKey:@"Version"] retain];
 		author = [[fields objectForKey:@"Author"] retain];
@@ -46,7 +46,7 @@
 - (void) dealloc
 {
 	[mod release]; mod = nil;
-	[baseURL release]; baseURL = nil;
+	[path release]; path = nil;
 	[title release]; title = nil;
 	[version release]; version = nil;
 	[author release]; author = nil;
diff --git a/OpenRA.Launcher.Mac/SidebarEntry.h b/OpenRA.Launcher.Mac/SidebarEntry.h
index 02d0337a00..c40864b72e 100644
--- a/OpenRA.Launcher.Mac/SidebarEntry.h
+++ b/OpenRA.Launcher.Mac/SidebarEntry.h
@@ -25,7 +25,7 @@
 
 + (id)headerWithTitle:(NSString *)aTitle;
 + (id)entryWithTitle:(NSString *)aTitle url:(NSURL *)aURL icon:(id)anIcon;
-+ (id)entryWithMod:(Mod *)baseMod allMods:(NSDictionary *)allMods baseURL:(NSURL *)aURL;
++ (id)entryWithMod:(Mod *)baseMod allMods:(NSDictionary *)allMods basePath:(NSString *)aPath;
 - (id)initWithTitle:(NSString *)aTitle url:(NSURL *)aURL icon:(id)anIcon isHeader:(BOOL)aHeader;
 - (void)addChild:(id)child;
 - (NSURL *)url;
diff --git a/OpenRA.Launcher.Mac/SidebarEntry.m b/OpenRA.Launcher.Mac/SidebarEntry.m
index 3d3955007b..2410ecc2c9 100644
--- a/OpenRA.Launcher.Mac/SidebarEntry.m
+++ b/OpenRA.Launcher.Mac/SidebarEntry.m
@@ -29,14 +29,14 @@
 	return newObject;
 }
 
-+ (id)entryWithMod:(Mod *)baseMod allMods:(NSDictionary *)allMods baseURL:(NSURL *)baseURL
++ (id)entryWithMod:(Mod *)baseMod allMods:(NSDictionary *)allMods basePath:(NSString *)basePath
 {
 	// TODO: Get the mod icon from the Mod
 	// Temporary hack until mods define an icon
-	NSString* imageName = [[NSBundle mainBundle] pathForResource:@"OpenRA" ofType:@"icns"];
-	id icon = [[[NSImage alloc] initWithContentsOfFile:imageName] autorelease];
-	id path = [[[baseURL absoluteString] stringByAppendingPathComponent:[baseMod mod]] stringByAppendingPathComponent:@"mod.html"];
-	id ret = [SidebarEntry entryWithTitle:[baseMod title] url:[NSURL URLWithString:path] icon:icon];
+	NSString *imageName = [[NSBundle mainBundle] pathForResource:@"OpenRA" ofType:@"icns"];
+	NSImage *icon = [[[NSImage alloc] initWithContentsOfFile:imageName] autorelease];
+	NSURL *url = [NSURL URLWithString:[[[baseMod path] stringByAppendingPathComponent:@"mod.html"] stringByAddingPercentEscapesUsingEncoding:NSASCIIStringEncoding]];
+	SidebarEntry *ret = [SidebarEntry entryWithTitle:[baseMod title] url:url icon:icon];
 	
 	for (id key in allMods)
 	{
@@ -44,7 +44,7 @@
 		if (![[aMod requires] isEqualToString:[baseMod mod]])
 			continue;
 		
-		id child = [SidebarEntry entryWithMod:aMod allMods:allMods baseURL:baseURL];
+		id child = [SidebarEntry entryWithMod:aMod allMods:allMods basePath:basePath];
 		[ret addChild:child];
 	}
 	return ret;
diff --git a/OpenRA.Launcher.Mac/build/Release/OpenRA.app/Contents/MacOS/OpenRA b/OpenRA.Launcher.Mac/build/Release/OpenRA.app/Contents/MacOS/OpenRA
index aa3641b324..5090cf26d7 100755
Binary files a/OpenRA.Launcher.Mac/build/Release/OpenRA.app/Contents/MacOS/OpenRA and b/OpenRA.Launcher.Mac/build/Release/OpenRA.app/Contents/MacOS/OpenRA differ
diff --git a/OpenRA.Launcher.Mac/build/Release/OpenRA.app/Contents/Resources/English.lproj/MainMenu.nib b/OpenRA.Launcher.Mac/build/Release/OpenRA.app/Contents/Resources/English.lproj/MainMenu.nib
index 036262f521..7f736c6f47 100644
Binary files a/OpenRA.Launcher.Mac/build/Release/OpenRA.app/Contents/Resources/English.lproj/MainMenu.nib and b/OpenRA.Launcher.Mac/build/Release/OpenRA.app/Contents/Resources/English.lproj/MainMenu.nib differ