--- testssl.sh	2016-10-21 16:46:56.391902484 +0200
+++ testssl.sh-new	2016-10-21 16:52:14.785261019 +0200
@@ -90,7 +90,7 @@
      SWURL="https://testssl.sh/    "
 
 readonly PROG_NAME=$(basename "$0")
-readonly RUN_DIR=$(dirname "$0")
+readonly RUN_DIR=$(dirname "$(readlink -e $0)")
 TESTSSL_INSTALL_DIR="${TESTSSL_INSTALL_DIR:-""}"   # if you run testssl.sh from a different path you can set either TESTSSL_INSTALL_DIR 
 CA_BUNDLES_PATH="${CA_BUNDLES_PATH:-""}"           # or CA_BUNDLES_PATH to find the CA BUNDLES. TESTSSL_INSTALL_DIR helps you to find the RFC mapping also
 MAPPING_FILE_RFC=""
@@ -7191,7 +7191,7 @@
 # (mapping file provides "keycode/ RFC style name", see RFCs, cipher(1), 
 # www.carbonwind.net/TLS_Cipher_Suites_Project/tls_ssl_cipher_suites_simple_table_all.htm
 get_install_dir() {
-     [[ -z "$TESTSSL_INSTALL_DIR" ]] && TESTSSL_INSTALL_DIR="$(dirname ${BASH_SOURCE[0]})"
+     [[ -z "$TESTSSL_INSTALL_DIR" ]] && TESTSSL_INSTALL_DIR="$(dirname "$(readlink -e ${BASH_SOURCE[0]})")"
 
      [[ -r "$RUN_DIR/etc/mapping-rfc.txt" ]] && MAPPING_FILE_RFC="$RUN_DIR/etc/mapping-rfc.txt"
      [[ -r "$TESTSSL_INSTALL_DIR/etc/mapping-rfc.txt" ]] && MAPPING_FILE_RFC="$TESTSSL_INSTALL_DIR/etc/mapping-rfc.txt"