diff --git a/graphics/win16drv/prtdrv.c b/graphics/win16drv/prtdrv.c
index 0fdf1a63d37..bfff6a030f1 100644
--- a/graphics/win16drv/prtdrv.c
+++ b/graphics/win16drv/prtdrv.c
@@ -391,14 +391,14 @@ WORD PRTDRV_Output(LPPDEVICE 	 lpDestDev,
 	    DWORD size;
 	    RGNDATA *clip;
 
-	    size = GetRegionData( hClipRgn, 0, NULL );
+	    size = GetRegionData32( hClipRgn, 0, NULL );
 	    clip = HeapAlloc( SystemHeap, 0, size );
 	    if(!clip) 
 	    {
 	        WARN(win16drv, "Can't alloc clip array in PRTDRV_Output\n");
 		return FALSE;
 	    }
-	    GetRegionData( hClipRgn, size, clip );
+	    GetRegionData32( hClipRgn, size, clip );
 	    if( clip->rdh.nCount == 0 )
 	    {
 		wRet = Callbacks->CallDrvOutputProc(pLPD->fn[FUNC_OUTPUT], 
diff --git a/if1632/gdi.spec b/if1632/gdi.spec
index 769b334f2c2..2501310bfeb 100644
--- a/if1632/gdi.spec
+++ b/if1632/gdi.spec
@@ -376,7 +376,7 @@ file	gdi.exe
 604 pascal16 SetSolidBrush(word long) SetSolidBrush16
 605 pascal16 SysDeleteObject(word) DeleteObject16    # ???
 606 pascal16 SetMagicColors(word long word) SetMagicColors16
-607 stub GetRegionData
+607 pascal GetRegionData(word long ptr) GetRegionData16
 608 stub ExtCreateRegion
 609 stub GDIFreeResources
 610 stub GDISignalProc32
diff --git a/include/windows.h b/include/windows.h
index 4b1048dd709..3f4c58c6df6 100644
--- a/include/windows.h
+++ b/include/windows.h
@@ -6872,7 +6872,6 @@ DWORD       WINAPI GetObjectType(HANDLE32);
 UINT32      WINAPI GetOEMCP(void);
 DWORD       WINAPI GetPriorityClass(HANDLE32);
 HANDLE32    WINAPI GetProcessHeap(void);
-DWORD       WINAPI GetRegionData(HRGN32,DWORD,LPRGNDATA);
 DWORD       WINAPI GetShortPathName32A(LPCSTR,LPSTR,DWORD);
 DWORD       WINAPI GetShortPathName32W(LPCWSTR,LPWSTR,DWORD);
 #define     GetShortPathName WINELIB_NAME_AW(GetShortPathName)
@@ -8238,6 +8237,9 @@ DWORD       WINAPI GetQueueStatus32(UINT32);
 BOOL16      WINAPI GetRasterizerCaps16(LPRASTERIZER_STATUS,UINT16);
 BOOL32      WINAPI GetRasterizerCaps32(LPRASTERIZER_STATUS,UINT32);
 #define     GetRasterizerCaps WINELIB_NAME(GetRasterizerCaps)
+DWORD       WINAPI GetRegionData16(HRGN16,DWORD,LPRGNDATA);
+DWORD       WINAPI GetRegionData32(HRGN32,DWORD,LPRGNDATA);
+#define     GetRegionData WINELIB_NAME(GetRegionData)
 INT16       WINAPI GetRelAbs16(HDC16);
 INT32       WINAPI GetRelAbs32(HDC32);
 #define     GetRelAbs WINELIB_NAME(GetRelAbs)
diff --git a/objects/metafile.c b/objects/metafile.c
index 03086600d52..0bdbe9ce78b 100644
--- a/objects/metafile.c
+++ b/objects/metafile.c
@@ -1684,12 +1684,12 @@ INT16 MF_CreateRegion(DC *dc, HRGN32 hrgn)
     WORD *Param, *StartBand;
     BOOL32 ret;
 
-    len = GetRegionData( hrgn, 0, NULL );
+    len = GetRegionData32( hrgn, 0, NULL );
     if( !(rgndata = HeapAlloc( SystemHeap, 0, len )) ) {
         WARN(metafile, "MF_CreateRegion: can't alloc rgndata buffer\n");
 	return -1;
     }
-    GetRegionData( hrgn, len, rgndata );
+    GetRegionData32( hrgn, len, rgndata );
 
     /* Overestimate of length:
      * Assume every rect is a separate band -> 6 WORDs per rect
diff --git a/objects/region.c b/objects/region.c
index b34b0aa4611..732dbba38f6 100644
--- a/objects/region.c
+++ b/objects/region.c
@@ -521,10 +521,10 @@ HRGN32 WINAPI CreateEllipticRgnIndirect32( const RECT32 *rect )
 }
 
 /***********************************************************************
- *           GetRegionData   (GDI32.217)
+ *           GetRegionData32   (GDI32.217)
  * 
  */
-DWORD WINAPI GetRegionData(HRGN32 hrgn, DWORD count, LPRGNDATA rgndata)
+DWORD WINAPI GetRegionData32(HRGN32 hrgn, DWORD count, LPRGNDATA rgndata)
 {
     DWORD size;
     RGNOBJ *obj = (RGNOBJ *) GDI_GetObjPtr( hrgn, REGION_MAGIC );
@@ -556,6 +556,15 @@ DWORD WINAPI GetRegionData(HRGN32 hrgn, DWORD count, LPRGNDATA rgndata)
     return 1;
 }
 
+/***********************************************************************
+ *           GetRegionData16   (GDI.607)
+ * FIXME: is LPRGNDATA the same in Win16 and Win32 ?
+ */
+DWORD WINAPI GetRegionData16(HRGN16 hrgn, DWORD count, LPRGNDATA rgndata)
+{
+    return GetRegionData32((HRGN32)hrgn, count, rgndata);
+}
+
 /***********************************************************************
  *           ExtCreateRegion   (GDI32.94)
  * 
diff --git a/relay32/gdi32.spec b/relay32/gdi32.spec
index 3084b64e529..5613b127e31 100644
--- a/relay32/gdi32.spec
+++ b/relay32/gdi32.spec
@@ -219,7 +219,7 @@ init	MAIN_GdiInit
 214 stdcall GetROP2(long) GetROP232
 215 stdcall GetRandomRgn(long long long) GetRandomRgn
 216 stdcall GetRasterizerCaps(ptr long) GetRasterizerCaps32
-217 stdcall GetRegionData(long long ptr) GetRegionData
+217 stdcall GetRegionData(long long ptr) GetRegionData32
 218 stdcall GetRelAbs(long) GetRelAbs32
 219 stdcall GetRgnBox(long ptr) GetRgnBox32
 220 stdcall GetStockObject(long) GetStockObject32