diff --git a/src/appkit.rs b/src/appkit.rs
index 45855d7..5b5fb3c 100644
--- a/src/appkit.rs
+++ b/src/appkit.rs
@@ -1341,11 +1341,11 @@ impl NSOpenGLContext for id {
     // Context Creation
 
     unsafe fn initWithFormat_shareContext_(self, format: id /* (NSOpenGLPixelFormat *) */, shareContext: id /* (NSOpenGLContext *) */) -> id /* (instancetype) */ {
-        msg_send()(class("NSOpenGLContext"), selector("initWithFormat:shareContext:"), format, shareContext)
+        msg_send()(self, selector("initWithFormat:shareContext:"), format, shareContext)
     }
 
     unsafe fn initWithCGLContextObj_(self, context: CGLContextObj) -> id /* (instancetype) */ {
-        msg_send()(class("NSOpenGLContext"), selector("initWithCGLContextObj:"), context)
+        msg_send()(self, selector("initWithCGLContextObj:"), context)
     }
 
     // Managing the Current Context