diff --git a/crates/gpui2/src/platform/mac/platform.rs b/crates/gpui2/src/platform/mac/platform.rs
index f3c3b8ea5d24ce552a8ade8c290d87e07c7f63f5..2dcfb1a58d026e9d3bcbb500741490a657a5b2b3 100644
--- a/crates/gpui2/src/platform/mac/platform.rs
+++ b/crates/gpui2/src/platform/mac/platform.rs
@@ -66,7 +66,7 @@ static mut APP_DELEGATE_CLASS: *const Class = ptr::null();
 #[ctor]
 unsafe fn build_classes() {
     APP_CLASS = {
-        let mut decl = ClassDecl::new("GPUIApplication", class!(NSApplication)).unwrap();
+        let mut decl = ClassDecl::new("GPUI2Application", class!(NSApplication)).unwrap();
         decl.add_ivar::<*mut c_void>(MAC_PLATFORM_IVAR);
         decl.add_method(
             sel!(sendEvent:),
@@ -76,7 +76,7 @@ unsafe fn build_classes() {
     };
 
     APP_DELEGATE_CLASS = {
-        let mut decl = ClassDecl::new("GPUIApplicationDelegate", class!(NSResponder)).unwrap();
+        let mut decl = ClassDecl::new("GPUI2ApplicationDelegate", class!(NSResponder)).unwrap();
         decl.add_ivar::<*mut c_void>(MAC_PLATFORM_IVAR);
         decl.add_method(
             sel!(applicationDidFinishLaunching:),
diff --git a/crates/gpui2/src/platform/mac/window.rs b/crates/gpui2/src/platform/mac/window.rs
index 12189e198a76343ad9478ffad2ec550b9cd0e9f0..de2fa42141f126ecd310a48c8c7806d88e9f81bf 100644
--- a/crates/gpui2/src/platform/mac/window.rs
+++ b/crates/gpui2/src/platform/mac/window.rs
@@ -85,10 +85,10 @@ const NSDragOperationCopy: NSDragOperation = 1;
 unsafe fn build_classes() {
     ::util::gpui2_loaded();
 
-    WINDOW_CLASS = build_window_class("GPUIWindow", class!(NSWindow));
-    PANEL_CLASS = build_window_class("GPUIPanel", class!(NSPanel));
+    WINDOW_CLASS = build_window_class("GPUI2Window", class!(NSWindow));
+    PANEL_CLASS = build_window_class("GPUI2Panel", class!(NSPanel));
     VIEW_CLASS = {
-        let mut decl = ClassDecl::new("GPUIView", class!(NSView)).unwrap();
+        let mut decl = ClassDecl::new("GPUI2View", class!(NSView)).unwrap();
         decl.add_ivar::<*mut c_void>(WINDOW_STATE_IVAR);
 
         decl.add_method(sel!(dealloc), dealloc_view as extern "C" fn(&Object, Sel));