2 files changed, 2 insertions, 2 deletions
diff --git a/src/api/cocoa/mod.rs b/src/api/cocoa/mod.rs
index 6fc91b4..5ea57ae 100644
--- a/src/api/cocoa/mod.rs
+++ b/src/api/cocoa/mod.rs
@@ -603,7 +603,7 @@ impl Window {
                     Err(CreationError::NotSupported)
                 }
             } else {
-                Err(CreationError::NotSupported)
+                Err(CreationError::NoAvailablePixelFormat)
             }
         }
     }
diff --git a/src/api/wgl/mod.rs b/src/api/wgl/mod.rs
index 54a9a9a..89538f1 100644
--- a/src/api/wgl/mod.rs
+++ b/src/api/wgl/mod.rs
@@ -573,5 +573,5 @@ fn choose_dummy_pixel_format<I>(iter: I) -> Result<libc::c_int, CreationError>
         }
     }
 
-    backup_id.ok_or(CreationError::NotSupported)
+    backup_id.ok_or(CreationError::OsError("No available pixel format".to_string()))
 }