diff --git a/tools/eclipse/project.py b/tools/eclipse/project.py
index 46aeb31..c9d0905 100755
--- a/tools/eclipse/project.py
+++ b/tools/eclipse/project.py
@@ -188,7 +188,8 @@
             src.add(m.group(1))
             # Exceptions: both source and lib
             if p.endswith('libquery_parser.jar') or \
-               p.endswith('libgerrit-prolog-common.jar'):
+               p.endswith('libgerrit-prolog-common.jar') or \
+               p.endswith('lucene-core-and-backward-codecs__merged.jar'):
                 lib.add(p)
             # JGit dependency from external repository
             if 'gerrit-' not in p and 'jgit' in p: