diff --git a/platform/osx/os_osx.mm b/platform/osx/os_osx.mm
index 72fba39e33d6..1070de724b01 100644
--- a/platform/osx/os_osx.mm
+++ b/platform/osx/os_osx.mm
@@ -409,14 +409,14 @@ static int button_mask = 0;
 	if ((int)[event buttonNumber] != 2)
 		return;
 
-	button_mask |= BUTTON_MASK_MIDDLE;
+	button_mask &= ~BUTTON_MASK_MIDDLE;
 
 	Ref<InputEventMouseButton> mb;
 	mb.instance();
 
 	get_key_modifier_state([event modifierFlags], mb);
 	mb->set_button_index(BUTTON_MIDDLE);
-	mb->set_pressed(true);
+	mb->set_pressed(false);
 	mb->set_position(Vector2(mouse_x, mouse_y));
 	mb->set_global_position(Vector2(mouse_x, mouse_y));
 	mb->set_button_mask(button_mask);
@@ -816,7 +816,7 @@ void OS_OSX::initialize(const VideoMode &p_desired, int p_video_driver, int p_au
 	unsigned int styleMask = NSTitledWindowMask | NSClosableWindowMask | NSMiniaturizableWindowMask | (p_desired.resizable ? NSResizableWindowMask : 0);
 
 	window_object = [[GodotWindow alloc]
-			initWithContentRect:NSMakeRect(0, 0, p_desired.width / display_scale, p_desired.height / display_scale)
+			initWithContentRect:NSMakeRect(0, 0, p_desired.width, p_desired.height)
 					  styleMask:styleMask
 						backing:NSBackingStoreBuffered
 						  defer:NO];
@@ -825,8 +825,8 @@ void OS_OSX::initialize(const VideoMode &p_desired, int p_video_driver, int p_au
 
 	window_view = [[GodotContentView alloc] init];
 
-	window_size.width = p_desired.width;
-	window_size.height = p_desired.height;
+	window_size.width = p_desired.width * display_scale;
+	window_size.height = p_desired.height * display_scale;
 
 	if (floor(NSAppKitVersionNumber) > NSAppKitVersionNumber10_6 && display_scale > 1) {
 		[window_view setWantsBestResolutionOpenGLSurface:YES];