diff --git a/dlls/shcore/main.c b/dlls/shcore/main.c
index aa513ee09d7..ccea518f88d 100644
--- a/dlls/shcore/main.c
+++ b/dlls/shcore/main.c
@@ -221,3 +221,16 @@ HRESULT WINAPI IUnknown_SetSite(IUnknown *obj, IUnknown *site)
 
     return hr;
 }
+
+HRESULT WINAPI SetCurrentProcessExplicitAppUserModelID(const WCHAR *appid)
+{
+    FIXME("%s: stub\n", debugstr_w(appid));
+    return E_NOTIMPL;
+}
+
+HRESULT WINAPI GetCurrentProcessExplicitAppUserModelID(const WCHAR **appid)
+{
+    FIXME("%p: stub\n", appid);
+    *appid = NULL;
+    return E_NOTIMPL;
+}
diff --git a/dlls/shcore/shcore.spec b/dlls/shcore/shcore.spec
index dac4274e49b..2f3ca9925bd 100644
--- a/dlls/shcore/shcore.spec
+++ b/dlls/shcore/shcore.spec
@@ -6,7 +6,7 @@
 @ stub DllCanUnloadNow
 @ stub DllGetActivationFactory
 @ stub DllGetClassObject
-@ stdcall GetCurrentProcessExplicitAppUserModelID(ptr) shell32.GetCurrentProcessExplicitAppUserModelID
+@ stdcall GetCurrentProcessExplicitAppUserModelID(ptr)
 @ stdcall GetDpiForMonitor(long long ptr ptr)
 @ stub GetDpiForShellUIComponent
 @ stdcall GetProcessDpiAwareness(long ptr)
@@ -77,7 +77,7 @@
 @ stdcall SHStrDupW(wstr ptr) shlwapi.SHStrDupW
 @ stdcall SHUnicodeToAnsi(wstr ptr ptr) shlwapi.SHUnicodeToAnsi
 @ stdcall SHUnicodeToUnicode(wstr ptr long) shlwapi.SHUnicodeToUnicode
-@ stdcall SetCurrentProcessExplicitAppUserModelID(wstr) shell32.SetCurrentProcessExplicitAppUserModelID
+@ stdcall SetCurrentProcessExplicitAppUserModelID(wstr)
 @ stdcall SetProcessDpiAwareness(long)
 @ stub SetProcessReference
 @ stub UnregisterScaleChangeEvent