diff --git a/reactos/dll/win32/fusion/fusion.c b/reactos/dll/win32/fusion/fusion.c
index 7c94100039d..ad772330487 100644
--- a/reactos/dll/win32/fusion/fusion.c
+++ b/reactos/dll/win32/fusion/fusion.c
@@ -52,6 +52,15 @@ HRESULT WINAPI CreateInstallReferenceEnum(IInstallReferenceEnum **ppRefEnum,
     return E_NOTIMPL;
 }
 
+/******************************************************************
+ *  CreateApplicationContext   (FUSION.@)
+ */
+HRESULT WINAPI CreateApplicationContext(IAssemblyName *name, void *ctx)
+{
+    FIXME("%p, %p\n", name, ctx);
+    return E_NOTIMPL;
+}
+
 static HRESULT (WINAPI *pGetCORVersion)(LPWSTR pbuffer, DWORD cchBuffer,
                                         DWORD *dwLength);
 
diff --git a/reactos/dll/win32/fusion/fusion.spec b/reactos/dll/win32/fusion/fusion.spec
index e589ad17e08..54e4eadd715 100644
--- a/reactos/dll/win32/fusion/fusion.spec
+++ b/reactos/dll/win32/fusion/fusion.spec
@@ -1,6 +1,6 @@
 @ stub CopyPDBs
 @ stdcall ClearDownloadCache()
-@ stub CreateApplicationContext
+@ stdcall CreateApplicationContext(ptr ptr)
 @ stdcall CreateAssemblyCache(ptr long)
 @ stdcall CreateAssemblyEnum(ptr ptr ptr long ptr)
 @ stdcall CreateAssemblyNameObject(ptr wstr long ptr)