diff --git a/rc b/rc
index 765b80c..b6ec26d 100755
--- a/rc
+++ b/rc
@@ -1,6 +1,12 @@
 # source me to enable tools
-
-TOOLSPATH=$( realpath $( dirname "$BASH_SOURCE" ) )
+case $OSTYPE in
+    darwin*) 
+      TOOLSPATH=$( realpath $( dirname "$BASH_SOURCE" ) )
+    ;;
+    *)
+      TOOLSPATH=$( readlink -f $( dirname "$BASH_SOURCE" ) )
+    ;;
+esac     
 
 PATH=$PATH:"$TOOLSPATH"/bin
 [[ "$1" = "-f" ]] && PATH="$TOOLSPATH"/bin:$PATH