diff --git a/Libraries/LibWeb/WebGL/WebGL2RenderingContextBase.idl b/Libraries/LibWeb/WebGL/WebGL2RenderingContextBase.idl
index 1eaad900249..c65abc38231 100644
--- a/Libraries/LibWeb/WebGL/WebGL2RenderingContextBase.idl
+++ b/Libraries/LibWeb/WebGL/WebGL2RenderingContextBase.idl
@@ -424,7 +424,7 @@ interface mixin WebGL2RenderingContextBase {
     [FIXME] GLuint getUniformBlockIndex(WebGLProgram program, DOMString uniformBlockName);
     [FIXME] any getActiveUniformBlockParameter(WebGLProgram program, GLuint uniformBlockIndex, GLenum pname);
     [FIXME] DOMString? getActiveUniformBlockName(WebGLProgram program, GLuint uniformBlockIndex);
-    [FIXME] undefined uniformBlockBinding(WebGLProgram program, GLuint uniformBlockIndex, GLuint uniformBlockBinding);
+    undefined uniformBlockBinding(WebGLProgram program, GLuint uniformBlockIndex, GLuint uniformBlockBinding);
 
     // Vertex Array Objects
     WebGLVertexArrayObject createVertexArray();