diff --git a/thirdparty/org.apache.cactus/META-INF/MANIFEST.MF b/thirdparty/org.apache.cactus/META-INF/MANIFEST.MF
index 8d9cb68..50ff90f 100644
--- a/thirdparty/org.apache.cactus/META-INF/MANIFEST.MF
+++ b/thirdparty/org.apache.cactus/META-INF/MANIFEST.MF
@@ -6,3 +6,4 @@
 Bundle-Localization: plugin
 Eclipse-LazyStart: true
 Bundle-Vendor: %Bundle-Vendor.0
+Bundle-ClassPath: .
diff --git a/thirdparty/org.apache.cactus/build.properties b/thirdparty/org.apache.cactus/build.properties
index 3587a1a..1ae5ff3 100644
--- a/thirdparty/org.apache.cactus/build.properties
+++ b/thirdparty/org.apache.cactus/build.properties
@@ -3,3 +3,5 @@
                apache-2.0.txt,\
                about.html,\
                plugin.properties
+
+