diff --git a/reactos/dll/win32/gdi32/gdi32.def b/reactos/dll/win32/gdi32/gdi32.def
index 75f12641080..cad7f1adb79 100644
--- a/reactos/dll/win32/gdi32/gdi32.def
+++ b/reactos/dll/win32/gdi32/gdi32.def
@@ -427,7 +427,7 @@ GetPolyFillMode@4=NtGdiGetPolyFillMode@4
 GetROP2@4=NtGdiGetROP2@4
 GetRandomRgn@12=NtGdiGetRandomRgn@12
 GetRasterizerCaps@8
-GetRegionData@12=NtGdiGetRegionData@12
+GetRegionData@12
 GetRelAbs@8
 GetRgnBox@8=NtGdiGetRgnBox@8
 GetStockObject@4
diff --git a/reactos/dll/win32/gdi32/misc/stubs.c b/reactos/dll/win32/gdi32/misc/stubs.c
index 40e068bb65c..c0150bd34d2 100644
--- a/reactos/dll/win32/gdi32/misc/stubs.c
+++ b/reactos/dll/win32/gdi32/misc/stubs.c
@@ -2775,3 +2775,23 @@ GetFontData(HDC hdc,
     }
     return NtGdiGetFontData(hdc, dwTable, dwOffset, lpvBuffer, cbData);
 }
+
+
+/*
+ * @implemented
+ *
+ */
+DWORD 
+STDCALL
+GetRegionData(HRGN hrgn,
+              DWORD nCount,
+              LPRGNDATA lpRgnData)
+{
+    if (!lpRgnData)
+    {
+        nCount = 0;
+    }
+
+    return NtGdiGetRegionData(hrgn,nCount,lpRgnData);
+}
+