diff --git a/macos/cc/JWMMainView.mm b/macos/cc/JWMMainView.mm
index 8b1bd8ef..6e760393 100644
--- a/macos/cc/JWMMainView.mm
+++ b/macos/cc/JWMMainView.mm
@@ -355,8 +355,8 @@ - (JWMMainView*)initWithWindow:(jwm::WindowMac*)initWindow {
     fMarkedText = [[NSMutableAttributedString alloc] init];
     fLastFlags = 0;
 
-    fTouchIds = [NSMutableDictionary dictionary];
-    fTouchDeviceIds = [NSMutableDictionary dictionary];
+    fTouchIds = [[NSMutableDictionary alloc] init];
+    fTouchDeviceIds = [[NSMutableDictionary alloc] init];
     fTouchCount = 0;
 
     [self updateTrackingAreas];