diff --git a/sp/src/utils/vrad/vrad.cpp b/sp/src/utils/vrad/vrad.cpp
index a7cba1c07ea..a04a678056b 100644
--- a/sp/src/utils/vrad/vrad.cpp
+++ b/sp/src/utils/vrad/vrad.cpp
@@ -2471,6 +2471,15 @@ int ParseCommandLine( int argc, char **argv, bool *onlydetail )
 		{
 			do_fast = true;
 		}
+#ifdef MAPBASE
+		else if(!Q_stricmp(argv[i], "-ultrafast")) 
+		{
+			do_fast = true;
+			g_bFastAmbient = true;
+			do_extra = false; 
+			numbounce = 1;
+		}
+#endif
 		else if (!Q_stricmp(argv[i],"-noskyboxrecurse"))
 		{
 			g_bNoSkyRecurse = true;
@@ -2777,6 +2786,9 @@ void PrintUsage( int argc, char **argv )
 		"  -v (or -verbose): Turn on verbose output (also shows more command\n"
 		"  -bounce #       : Set max number of bounces (default: 100).\n"
 		"  -fast           : Quick and dirty lighting.\n"
+#ifdef MAPBASE
+		"  -ultrafast	  : Very quick and dirty lighting, same as -fast -fastambient -noextra -bounce 1\n"
+#endif
 		"  -fastambient    : Per-leaf ambient sampling is lower quality to save compute time.\n"
 		"  -final          : High quality processing. equivalent to -extrasky 16.\n"
 		"  -extrasky n     : trace N times as many rays for indirect light and sky ambient.\n"