diff --git a/python/ql/lib/qlpack.yml b/python/ql/lib/qlpack.yml
index 35ab576bf1a..d8e4448dc6b 100644
--- a/python/ql/lib/qlpack.yml
+++ b/python/ql/lib/qlpack.yml
@@ -19,3 +19,4 @@ dataExtensions:
   - semmle/python/frameworks/**/*.model.yml
   - ext/*.model.yml
 warnOnImplicitThis: true
+compileForOverlayEval: true