diff --git a/dlls/shcore/main.c b/dlls/shcore/main.c
index 653694a04dc..a64b6661d23 100644
--- a/dlls/shcore/main.c
+++ b/dlls/shcore/main.c
@@ -2531,6 +2531,18 @@ HRESULT WINAPI RegisterScaleChangeEvent(HANDLE handle, DWORD_PTR *cookie)
     return E_NOTIMPL;
 }
 
+/*************************************************************************
+ * RegisterScaleChangeNotifications        [SHCORE.@]
+ */
+HRESULT WINAPI RegisterScaleChangeNotifications(DISPLAY_DEVICE_TYPE display_device, HWND hwnd, UINT msg, DWORD *cookie)
+{
+    FIXME("(%d, %p, %u, %p) stub\n", display_device, hwnd, msg, cookie);
+
+    if (cookie) *cookie = 0;
+
+    return E_NOTIMPL;
+}
+
 /*************************************************************************
  * CreateRandomAccessStreamOverStream        [SHCORE.@]
  */
diff --git a/dlls/shcore/shcore.spec b/dlls/shcore/shcore.spec
index fc265d8215a..102e3014bce 100644
--- a/dlls/shcore/shcore.spec
+++ b/dlls/shcore/shcore.spec
@@ -33,7 +33,7 @@
 # @ stub RecordFeatureError
 # @ stub RecordFeatureUsage
 @ stdcall RegisterScaleChangeEvent(ptr ptr)
-@ stub RegisterScaleChangeNotifications
+@ stdcall RegisterScaleChangeNotifications(long ptr long ptr)
 @ stub RevokeScaleChangeNotifications
 @ stdcall SHAnsiToAnsi(str ptr long)
 @ stdcall SHAnsiToUnicode(str ptr long)
diff --git a/include/shellscalingapi.h b/include/shellscalingapi.h
index 4689d83e7d9..147195d2cba 100644
--- a/include/shellscalingapi.h
+++ b/include/shellscalingapi.h
@@ -46,6 +46,7 @@ HRESULT WINAPI GetDpiForMonitor(HMONITOR,MONITOR_DPI_TYPE,UINT*,UINT*);
 HRESULT WINAPI GetProcessDpiAwareness(HANDLE,PROCESS_DPI_AWARENESS*);
 DEVICE_SCALE_FACTOR WINAPI GetScaleFactorForDevice(DISPLAY_DEVICE_TYPE device_type);
 HRESULT WINAPI GetScaleFactorForMonitor(HMONITOR,DEVICE_SCALE_FACTOR*);
+HRESULT WINAPI RegisterScaleChangeNotifications(DISPLAY_DEVICE_TYPE,HWND,UINT,DWORD*);
 HRESULT WINAPI SetProcessDpiAwareness(PROCESS_DPI_AWARENESS);
 
 #endif /* __WINE_SHELLSCALINGAPI_H */