diff --git a/src/servo/gfx/renderer.rs b/src/servo/gfx/renderer.rs
index 3a9746b196d..5a7386ce6e3 100644
--- a/src/servo/gfx/renderer.rs
+++ b/src/servo/gfx/renderer.rs
@@ -99,4 +99,5 @@ fn clear(draw_target: AzDrawTargetRef) {
         unsafe { unsafe::reinterpret_cast(black_pattern) }
     );
 
+    AzReleaseColorPattern(black_pattern);
 }
\ No newline at end of file