diff --git a/libswscale/swscale.c b/libswscale/swscale.c
index 52b709aaa0..a22bf64b71 100644
--- a/libswscale/swscale.c
+++ b/libswscale/swscale.c
@@ -458,6 +458,10 @@ const char *sws_format_name(enum PixelFormat format)
             return "vdpau_mpeg1";
         case PIX_FMT_VDPAU_MPEG2:
             return "vdpau_mpeg2";
+        case PIX_FMT_VDPAU_WMV3:
+            return "vdpau_wmv3";
+        case PIX_FMT_VDPAU_VC1:
+            return "vdpau_vc1";
         default:
             return "Unknown format";
     }