diff --git a/tests/run.sh b/tests/run.sh
index 4d30c7f..e7b7b0b 100755
--- a/tests/run.sh
+++ b/tests/run.sh
@@ -10,6 +10,7 @@ abort=1
 for test in ${tests}
 do
     printf "%-50s%s %s" "- $(basename $test)" "=>"
+    echo $test
     cd $test
     testcmd="esds run platform.yaml"
     timeout $test_timeout ${testcmd} &> "$out"
@@ -24,8 +25,15 @@ do
         exit 2
     fi
 
+    # Ensure OSX compatibility 
+    case "$OSTYPE" in
+	darwin*)  optbase="-i" ;;
+	*)        optbase="" ;;
+    esac
+
     # Ensure test output
-    if [ "$(base64 $out)" = "$(base64 ./out)" ]
+    
+    if [ "$(base64 $optbase $out)" = "$(base64 $optbase ./out)" ]
     then
         echo "passed"
     else