diff --git a/tinc/subnet-up b/tinc/subnet-up
index 947a0e5..19a8d91 100644
--- a/tinc/subnet-up
+++ b/tinc/subnet-up
@@ -14,6 +14,6 @@ else
   fi
 fi
 
-SCRIPT=$(readlink -f "$0")
-SCRIPTPATH=$(dirname "$SCRIPT")
+SCRIPT`readlink -f "$0"`
+SCRIPTPATH=`dirname "$SCRIPT"`
 $SCRIPTPATH/check-node