diff --git a/sigil/bldcommon/build.properties b/sigil/bldcommon/build.properties
index 07df5b2..ef17fae 100644
--- a/sigil/bldcommon/build.properties
+++ b/sigil/bldcommon/build.properties
@@ -9,7 +9,7 @@
 
 build.dir	= ${basedir}/build
 build_xml	= build.xml
-classes.dir	= ${build.dir}/classes
+classes.dir	= ${build.dir}/main-classes
 deps.dir	= ${build.dir}/deps
 composite.dir	= ${basedir}/xml
 src.dir		= ${basedir}/src