diff --git a/reactos/dll/win32/gdi32/gdi32.def b/reactos/dll/win32/gdi32/gdi32.def
index d1a05c02e99..f776804b066 100644
--- a/reactos/dll/win32/gdi32/gdi32.def
+++ b/reactos/dll/win32/gdi32/gdi32.def
@@ -248,7 +248,7 @@ FrameRgn@20=NtGdiFrameRgn@20
 GdiAddFontResourceW@12
 GdiAddGlsBounds@8
 GdiAddGlsRecord@16
-GdiAlphaBlend@44=NtGdiAlphaBlend@44
+GdiAlphaBlend@44
 GdiArtificialDecrementDriver@8
 GdiCleanCacheDC@4
 GdiComment@12
diff --git a/reactos/dll/win32/gdi32/misc/misc.c b/reactos/dll/win32/gdi32/misc/misc.c
index 4058df8ef1d..ebb22c51f99 100644
--- a/reactos/dll/win32/gdi32/misc/misc.c
+++ b/reactos/dll/win32/gdi32/misc/misc.c
@@ -33,6 +33,41 @@ HANDLE CurrentProcessId = NULL;
 DWORD GDI_BatchLimit = 1;
 
 
+BOOL
+STDCALL
+GdiAlphaBlend(
+            HDC hDCDst,
+            int DstX,
+            int DstY,
+            int DstCx,
+            int DstCy,
+            HDC hDCSrc,
+            int SrcX,
+            int SrcY,
+            int SrcCx,
+            int SrcCy,
+            BLENDFUNCTION BlendFunction
+            )
+{
+   if ( hDCSrc == NULL ) return FALSE;
+
+   if (GDI_HANDLE_GET_TYPE(hDCSrc) == GDI_OBJECT_TYPE_METADC) return FALSE;
+      
+   return NtGdiAlphaBlend(
+                      hDCDst,
+                        DstX,
+                        DstY,
+                       DstCx,
+                       DstCy,
+                      hDCSrc,
+                        SrcX,
+                        SrcY,
+                       SrcCx,
+                       SrcCy,
+               BlendFunction,
+                           0 );
+}
+
 /*
  * @implemented
  */
diff --git a/reactos/include/psdk/ntgdi.h b/reactos/include/psdk/ntgdi.h
index 7bf8b013550..bd90fe814a9 100644
--- a/reactos/include/psdk/ntgdi.h
+++ b/reactos/include/psdk/ntgdi.h
@@ -1097,7 +1097,8 @@ NtGdiAlphaBlend(
     IN LONG SrcY,
     IN LONG SrcCx,
     IN LONG SrcCy,
-    IN BLENDFUNCTION BlendFunction
+    IN BLENDFUNCTION BlendFunction,
+    IN HANDLE hcmXform
 );
 
 W32KAPI
diff --git a/reactos/include/reactos/win32k/ntgdibad.h b/reactos/include/reactos/win32k/ntgdibad.h
index 9ee57998394..5c704b8a652 100644
--- a/reactos/include/reactos/win32k/ntgdibad.h
+++ b/reactos/include/reactos/win32k/ntgdibad.h
@@ -748,12 +748,6 @@ NtGdiSetGraphicsMode (
 	int	Mode
 	);
 
-/* Use NtGdiSetIcmMode. */
-INT
-STDCALL
-NtGdiSetICMMode(HDC  hDC,
-                    INT  EnableICM);
-
 /* Should be done in user-mode. */
 BOOL
 STDCALL
diff --git a/reactos/subsystems/win32/win32k/ntuser/cursoricon.c b/reactos/subsystems/win32/win32k/ntuser/cursoricon.c
index fd17499def5..c391709321e 100644
--- a/reactos/subsystems/win32/win32k/ntuser/cursoricon.c
+++ b/reactos/subsystems/win32/win32k/ntuser/cursoricon.c
@@ -1592,7 +1592,7 @@ UserDrawIconEx(
             BlendFunc.AlphaFormat = AC_SRC_ALPHA;
 
             NtGdiAlphaBlend(hDc, xLeft, yTop, cxWidth, cyHeight, 
-                            hdcOff, 0, 0, cxWidth, cyHeight, BlendFunc);
+                            hdcOff, 0, 0, cxWidth, cyHeight, BlendFunc, 0);
         }
         else
         {
diff --git a/reactos/subsystems/win32/win32k/objects/bitmaps.c b/reactos/subsystems/win32/win32k/objects/bitmaps.c
index a56f56dcb83..164cc98f8c2 100644
--- a/reactos/subsystems/win32/win32k/objects/bitmaps.c
+++ b/reactos/subsystems/win32/win32k/objects/bitmaps.c
@@ -1394,7 +1394,8 @@ NtGdiAlphaBlend(
 	LONG  YOriginSrc,
 	LONG  WidthSrc,
 	LONG  HeightSrc,
-	BLENDFUNCTION  BlendFunc)
+	BLENDFUNCTION  BlendFunc,
+	HANDLE hcmXform)
 {
 	PDC DCDest = NULL;
 	PDC DCSrc  = NULL;
diff --git a/reactos/subsystems/win32/win32k/objects/icm.c b/reactos/subsystems/win32/win32k/objects/icm.c
index e49c28894ce..03e1489ec4f 100644
--- a/reactos/subsystems/win32/win32k/objects/icm.c
+++ b/reactos/subsystems/win32/win32k/objects/icm.c
@@ -123,8 +123,9 @@ NtGdiSetDeviceGammaRamp(HDC  hDC,
 
 INT
 STDCALL
-NtGdiSetICMMode(HDC  hDC,
-                    INT  EnableICM)
+NtGdiSetIcmMode(HDC  hDC,
+                ULONG nCommand,
+                ULONG EnableICM) // ulMode
 {
   /* FIXME: this should be coded someday  */
   if (EnableICM == ICM_OFF)
diff --git a/reactos/subsystems/win32/win32k/w32ksvc.db b/reactos/subsystems/win32/win32k/w32ksvc.db
index b3c1612f5eb..a8494733ce0 100644
--- a/reactos/subsystems/win32/win32k/w32ksvc.db
+++ b/reactos/subsystems/win32/win32k/w32ksvc.db
@@ -13,7 +13,7 @@ NtGdiAbortPath                                   1
 # NtGdiAddFontMemResourceEx                        5
 # NtGdiRemoveMergeFont                             2
 # NtGdiAddRemoteMMInstanceToDC                     3
-# NtGdiAlphaBlend                                 12 Wrong number of param ?
+NtGdiAlphaBlend                                 12
 NtGdiAngleArc                                    6
 # NtGdiAnyLinkedFonts                              0
 # NtGdiFontIsLinked                                1
@@ -280,7 +280,7 @@ NtGdiSetDeviceGammaRamp                          2
 # NtGdiSetDIBitsToDeviceInternal                  16
 # NtGdiSetFontEnumeration                          1
 # NtGdiSetFontXform                                3
-# NtGdiSetIcmMode                                  3 Wrong number of param ?
+NtGdiSetIcmMode                                  3
 # NtGdiSetLinkedUFIs                               3
 # NtGdiSetMagicColors                              3
 NtGdiSetMetaRgn                                  1
@@ -676,7 +676,6 @@ NtGdiEngAlphaBlend                               7
 #
 #
 # Wrong number of param ?
-NtGdiSetICMMode                         2
 NtUserCreateWindowEx                    14
 NtUserCreateWindowStation               6
 NtUserEnumDisplayMonitors               5
@@ -691,7 +690,6 @@ NtUserSetCursorIconData                 6
 NtUserSetWinEventHook                   8
 NtUserUnregisterClass                   2
 NtUserValidateHandleSecure              1
-NtGdiAlphaBlend                         11
 #
 #ReactOS specify syscall 
 NtGdiSelectObject                       2