diff --git a/scripts/ybcon b/scripts/ybcon
index 9b21044..86a6ee8 100755
--- a/scripts/ybcon
+++ b/scripts/ybcon
@@ -49,13 +49,13 @@ if [ "$#" != 0 ]; then
       do
         case "$it" in
           -p | --printresult | --parallel | --target=* | --newlines=on | --newlines=off )
-            if test "${arguments#*$it}" != "$arguments"; then
+            if [ "${arguments#*$it}" != "$arguments" ] && [ "${arguments%*-$it}" = "${arguments#*-$it}" ]; then
               usageExit
             fi ;;
           -t | --text )
             text_provided=true ;;
           * )
-            if [ $text_provided = true ] || test "${it%*.ybcon}" != "$it"; then
+            if [ $text_provided = true ] || [ "${it%*.ybcon}" != "$it" ]; then
               run=true
             else
               usageExit