diff --git a/test_docs.sh b/test_docs.sh
index 9c8bbc5..449e6c0 100755
--- a/test_docs.sh
+++ b/test_docs.sh
@@ -12,5 +12,7 @@ name = "«doc-gen4»"
 path = "../doc-gen4"
 EOL
 
+export LEAN_ABORT_ON_PANIC=1
+
 lake update doc-gen4
 lake build Batteries:docs