diff --git a/tools/test/bin/stc b/tools/test/bin/stc
index fd201b6..ba956b4 100755
--- a/tools/test/bin/stc
+++ b/tools/test/bin/stc
@@ -13,4 +13,8 @@
 [ ! -f $scenario ] && scenario=$scenario.xml
 [ ! -f $scenario ] && echo "Scenario $scenario file not found" && exit 1
 
-java -jar $JAR $scenario
+[ $# -ge 1 ] && shift
+
+[ -t 1 ] && stcColor=true || unset stcColor
+
+java -jar $JAR $scenario "$@"