diff --git a/relay32/msvfw32.spec b/relay32/msvfw32.spec
index c34562791f3..b1cf892a057 100644
--- a/relay32/msvfw32.spec
+++ b/relay32/msvfw32.spec
@@ -5,7 +5,7 @@ type	win32
 # The rest is stdcall (VFWAPI) however. -Marcus Meissner, 990124
 
   2 stdcall VideoForWindowsVersion() VideoForWindowsVersion
-  3 stub    DrawDibBegin
+  3 stdcall DrawDibBegin(long long long long ptr long long long) DrawDibBegin
   4 stub    DrawDibChangePalette
   5 stub    DrawDibClose
   6 stub    DrawDibDraw
@@ -14,8 +14,8 @@ type	win32
   9 stub    DrawDibGetPalette
  10 stdcall DrawDibOpen() DrawDibOpen
  11 stub    DrawDibProfileDisplay
- 12 stub    DrawDibRealize
- 13 stub    DrawDibSetPalette
+ 12 stdcall DrawDibRealize(long long long) DrawDibRealize
+ 13 stdcall DrawDibSetPalette(long long) DrawDibSetPalette
  14 stub    DrawDibStart
  15 stub    DrawDibStop
  16 stub    DrawDibTime
@@ -29,18 +29,18 @@ type	win32
  24 stub    ICCompressorChoose
  25 stub    ICCompressorFree
  26 cdecl   ICDecompress(long long ptr ptr ptr ptr) ICDecompress
- 27 stub    ICDraw 	# CDECL too
+ 27 cdecl   ICDraw(long long ptr ptr long long) ICDraw
  28 cdecl   ICDrawBegin(long long long long long long long long long ptr long long long long long long) ICDrawBegin
- 29 stub    ICGetDisplayFormat
+ 29 stdcall ICGetDisplayFormat(long ptr ptr long long long) ICGetDisplayFormat
  30 stdcall ICGetInfo(long ptr long) ICGetInfo
  31 stub    ICImageCompress
  32 stub    ICImageDecompress
  33 stdcall ICInfo(long long ptr) ICInfo
  34 stub    ICInstall
  35 stdcall ICLocate(long long ptr ptr long) ICLocate
- 36 stub    ICMThunk32
+ 36 stub    ICMThunk
  37 stdcall ICOpen(long long long) ICOpen
- 38 stub    ICOpenFunction
+ 38 stdcall ICOpenFunction(long long long ptr) ICOpenFunction
  39 stub    ICRemove
  40 stdcall ICSendMessage(long long long long) ICSendMessage
  41 stub    ICSeqCompressFrame