diff --git a/unix_setup.sh b/unix_setup.sh
index 1cf9b65888..f18892dfdf 100755
--- a/unix_setup.sh
+++ b/unix_setup.sh
@@ -61,6 +61,6 @@ else
 fi
 
 # make sure it is executable
-chmod +x bin/autopsy
+chmod u+x bin/autopsy
 
 echo "Autopsy is now configured. You can execute bin/autopsy to start it"