diff --git a/dlls/dwmapi/dwmapi.spec b/dlls/dwmapi/dwmapi.spec
index 27523b7ca08..23380a9ecd7 100644
--- a/dlls/dwmapi/dwmapi.spec
+++ b/dlls/dwmapi/dwmapi.spec
@@ -20,7 +20,7 @@
 124 stub -noname DwmpRegisterThumbnail
 125 stub DwmpDxBindSwapChain
 126 stub DwmpDxUnbindSwapChain
-127 stub -noname DwmpGetColorizationParameters
+127 stdcall -noname DwmpGetColorizationParameters(ptr)
 128 stub DwmpDxgiIsThreadDesktopComposited
 129 stub -noname DwmpDxgiDisableRedirection
 130 stub -noname DwmpDxgiEnableRedirection
diff --git a/dlls/dwmapi/dwmapi_main.c b/dlls/dwmapi/dwmapi_main.c
index 76e225f791b..c1ee0671225 100644
--- a/dlls/dwmapi/dwmapi_main.c
+++ b/dlls/dwmapi/dwmapi_main.c
@@ -286,3 +286,12 @@ HRESULT WINAPI DwmSetIconicThumbnail(HWND hwnd, HBITMAP hbmp, DWORD flags)
     FIXME("(%p %p %x) stub\n", hwnd, hbmp, flags);
     return S_OK;
 };
+
+/**********************************************************************
+ *           DwmpGetColorizationParameters         (DWMAPI.@)
+ */
+HRESULT WINAPI DwmpGetColorizationParameters(void *params)
+{
+    FIXME("(%p) stub\n", params);
+    return E_NOTIMPL;
+}