diff --git a/dev-tools/idea/lucene/sandbox/sandbox.iml b/dev-tools/idea/lucene/sandbox/sandbox.iml
index 7643404f9c9..df5aa5626a4 100644
--- a/dev-tools/idea/lucene/sandbox/sandbox.iml
+++ b/dev-tools/idea/lucene/sandbox/sandbox.iml
@@ -21,6 +21,7 @@
     </orderEntry>
     <orderEntry type="library" scope="TEST" name="JUnit" level="project" />
     <orderEntry type="module" scope="TEST" module-name="lucene-test-framework" />
+    <orderEntry type="module" scope="TEST" module-name="codecs" />
     <orderEntry type="module" module-name="lucene-core" />
   </component>
 </module>