diff --git a/build.xml b/build.xml
index 43747613c..9509ed3db 100644
--- a/build.xml
+++ b/build.xml
@@ -406,6 +406,7 @@ under the License.
     	<!-- remove previous versions of third-party jars to prevent them from lingering around, 
     		we often had hard-to-find build/CI-problems because of these! -->
 		<mkdir dir="${main.lib}"/>
+		<mkdir dir="${compile.lib}"/>
 		<delete verbose="true">
 			<fileset dir="${main.lib}">
 	    		<include name="ant-1.8*"/>