diff --git a/build.xml b/build.xml
index 5c939f55..ce7736ab 100644
--- a/build.xml
+++ b/build.xml
@@ -543,6 +543,7 @@ ${sourceWarning}</echo>
 			<classpath refid="test.path" />
 			<classpath refid="build.path" />
 			<classpath path="build/lombok" />
+			<classpath path="build/tests" />
 			<src path="test/core/src" />
 			<src path="test/transform/src" />
 			<src path="test/bytecode/src" />