diff --git a/build.xml b/build.xml
index c178371..2a6a002 100644
--- a/build.xml
+++ b/build.xml
@@ -61,7 +61,7 @@
         <then>
            <echo message="detected a mac host"/>
            <property name="includepath" value="/opt/local/include:/usr/local/include"/>
-           <property name="client.lib.path" value="/opt/local/lib"/>
+           <property name="client.lib.path" value="/usr/local/lib"/>
            <property name="client.lib.list" value="c++,jsoncpp,stdc++"/>
         </then>
      <elseif>
diff --git a/mac_install.sh b/mac_install.sh
old mode 100644
new mode 100755
diff --git a/mac_uninstall.sh b/mac_uninstall.sh
old mode 100644
new mode 100755