diff --git a/components/script/dom/webgl2renderingcontext.rs b/components/script/dom/webgl2renderingcontext.rs
index 8e967fbcb86..4bb102bff12 100644
--- a/components/script/dom/webgl2renderingcontext.rs
+++ b/components/script/dom/webgl2renderingcontext.rs
@@ -3966,7 +3966,7 @@ impl WebGL2RenderingContextMethods for WebGL2RenderingContext {
         }
 
         if width < 0 || height < 0 {
-            return;
+            return self.base.webgl_error(InvalidValue);
         }
 
         self.base
diff --git a/tests/wpt/webgl/meta/conformance2/renderbuffers/invalidate-framebuffer.html.ini b/tests/wpt/webgl/meta/conformance2/renderbuffers/invalidate-framebuffer.html.ini
index d31804f6f0f..74a111f34ed 100644
--- a/tests/wpt/webgl/meta/conformance2/renderbuffers/invalidate-framebuffer.html.ini
+++ b/tests/wpt/webgl/meta/conformance2/renderbuffers/invalidate-framebuffer.html.ini
@@ -6,6 +6,3 @@
   [WebGL test #17: successfullyParsed should be true (of type boolean). Was undefined (of type undefined).]
     expected: FAIL
 
-  [WebGL test #11: getError expected: INVALID_VALUE. Was NO_ERROR : calling invalidateSubFramebuffer should generate INVALID_VALUE if width < 0 or height < 0.]
-    expected: FAIL
-