diff --git a/bind-imgui.d.ts b/bind-imgui.d.ts
index 20a4806..1843f98 100644
--- a/bind-imgui.d.ts
+++ b/bind-imgui.d.ts
@@ -1,10 +1,10 @@
 import * as Emscripten from "./emscripten";
 
 // emcc -s MODULARIZE=0
-// declare const Module: ImGuiModule; export default Module;
+// declare const Module: Module; export default Module;
 
 // emcc -s MODULARIZE=1
-export default function Module(Module?: Partial<Module>): Promise<Module>;
+export default function Module(Module?: Partial<Module>): Module;
 
 export interface mallinfo {
     arena: number;

diff --git a/bind-imgui.d.ts b/bind-imgui.d.ts
index 20a4806..1843f98 100644
--- a/bind-imgui.d.ts
+++ b/bind-imgui.d.ts
@@ -1,10 +1,10 @@
 import * as Emscripten from "./emscripten";
 
 // emcc -s MODULARIZE=0
-// declare const Module: ImGuiModule; export default Module;
+// declare const Module: Module; export default Module;
 
 // emcc -s MODULARIZE=1
-export default function Module(Module?: Partial<Module>): Promise<Module>;
+export default function Module(Module?: Partial<Module>): Module;
 
 export interface mallinfo {
     arena: number;
diff --git a/emscripten.d.ts b/emscripten.d.ts
index 08f2cd9..9d09df6 100644
--- a/emscripten.d.ts
+++ b/emscripten.d.ts
@@ -47,6 +47,8 @@
 }
 
 export interface EmscriptenModule {
+    then<T extends EmscriptenModule>(callback: (value: T) => void): void;
+
     ENVIRONMENT?: "WEB" | "WORKER" | "NODE" | "SHELL";
 
     "arguments": any[];