diff --git a/runltp b/runltp
index 0d77a6e..a515a18 100755
--- a/runltp
+++ b/runltp
@@ -235,7 +235,7 @@
             esac ;;
                    
         d)  # convert the user path to absolute path.
-            export TMPBASE=`cd \`dirname ${OPTARG}\`; pwd`/`basename ${OPTARG}` ;;
+            export TMPBASE=$(readlink -f ${OPTARG}) ;;
 
         D)  NUM_PROCS=1; NUM_FILES=1; NUM_BYTES=$((1024 * 1024 * 1024)); CLEAN_FLAG=0
             ARGUMENT_LIST=$OPTARG