diff --git a/run_tests.sh b/run_tests.sh
index 7f969cf4..7477f9aa 100755
--- a/run_tests.sh
+++ b/run_tests.sh
@@ -1,18 +1,11 @@
 #!/bin/bash
 # astute_rspec_check.sh
 # RVM
-source ~/.bash_profile
 
 set -e
 
-# change dir to the path of the directory in which a current bash script is located
-# source: http://stackoverflow.com/a/179231/842168
 function cd_workspace() {
-  SCRIPT_PATH="${BASH_SOURCE[0]}";
-  if ([ -h "${SCRIPT_PATH}" ]) then
-    while([ -h "${SCRIPT_PATH}" ]) do cd `dirname "$SCRIPT_PATH"`; SCRIPT_PATH=`readlink "${SCRIPT_PATH}"`; done
-  fi
-  cd `dirname ${SCRIPT_PATH}` > /dev/null
+  cd $(dirname $(readlink -f $0)) > /dev/null
 }
 
 function license_check() {