diff --git a/Libraries/LibWeb/WebGL/WebGL2RenderingContextBase.idl b/Libraries/LibWeb/WebGL/WebGL2RenderingContextBase.idl
index c65abc38231..a1440143004 100644
--- a/Libraries/LibWeb/WebGL/WebGL2RenderingContextBase.idl
+++ b/Libraries/LibWeb/WebGL/WebGL2RenderingContextBase.idl
@@ -423,7 +423,7 @@ interface mixin WebGL2RenderingContextBase {
     [FIXME] any getActiveUniforms(WebGLProgram program, sequence<GLuint> uniformIndices, GLenum pname);
     [FIXME] GLuint getUniformBlockIndex(WebGLProgram program, DOMString uniformBlockName);
     [FIXME] any getActiveUniformBlockParameter(WebGLProgram program, GLuint uniformBlockIndex, GLenum pname);
-    [FIXME] DOMString? getActiveUniformBlockName(WebGLProgram program, GLuint uniformBlockIndex);
+    DOMString? getActiveUniformBlockName(WebGLProgram program, GLuint uniformBlockIndex);
     undefined uniformBlockBinding(WebGLProgram program, GLuint uniformBlockIndex, GLuint uniformBlockBinding);
 
     // Vertex Array Objects
diff --git a/Meta/Lagom/Tools/CodeGenerators/LibWeb/GenerateWebGLRenderingContext.cpp b/Meta/Lagom/Tools/CodeGenerators/LibWeb/GenerateWebGLRenderingContext.cpp
index 3cd7fb8e1f0..b258c5152e6 100644
--- a/Meta/Lagom/Tools/CodeGenerators/LibWeb/GenerateWebGLRenderingContext.cpp
+++ b/Meta/Lagom/Tools/CodeGenerators/LibWeb/GenerateWebGLRenderingContext.cpp
@@ -1112,6 +1112,21 @@ public:
             continue;
         }
 
+        if (function.name == "getActiveUniformBlockName"sv) {
+            generate_webgl_object_handle_unwrap(function_impl_generator, "program"sv, "OptionalNone {}"sv);
+            function_impl_generator.append(R"~~~(
+    GLint uniform_block_name_length = 0;
+    glGetActiveUniformBlockiv(program_handle, uniform_block_index, GL_UNIFORM_BLOCK_NAME_LENGTH, &uniform_block_name_length);
+    Vector<GLchar> uniform_block_name;
+    uniform_block_name.resize(uniform_block_name_length);
+    if (!uniform_block_name_length)
+        return String {};
+    glGetActiveUniformBlockName(program_handle, uniform_block_index, uniform_block_name_length, nullptr, uniform_block_name.data());
+    return String::from_utf8_without_validation(ReadonlyBytes { uniform_block_name.data(), static_cast<size_t>(uniform_block_name_length - 1) });
+)~~~");
+            continue;
+        }
+
         if (function.name == "deleteBuffer"sv) {
             generate_webgl_object_handle_unwrap(function_impl_generator, "buffer"sv, ""sv);
             function_impl_generator.append(R"~~~(