diff --git a/build.xml b/build.xml
index 2eb03ce50..a4a75d22e 100644
--- a/build.xml
+++ b/build.xml
@@ -30,7 +30,7 @@
     </condition>
 
     <condition property="build.dir" value="build">
-        <not><isset property="build.dir2"/></not>
+        <not><isset property="build.dir"/></not>
     </condition>
 
     <condition property="dist.dir" value="dist">