diff --git a/build.xml b/build.xml
index 1601004f2..dec585c0c 100644
--- a/build.xml
+++ b/build.xml
@@ -1204,8 +1204,10 @@
   </target>
 
   <condition property="buildosxpackage">
-    <os family="mac"/>
-    <isset property="buildosxpackage.required"/>
+    <and>
+       <os family="mac"/>
+       <isset property="buildosxpackage.required"/>
+    </and>
   </condition>
 
   <target name="pkg_distribution" depends="zip_distribution" if="buildosxpackage">