diff --git a/build-constraints.yaml b/build-constraints.yaml
index 7ef64f56..98b25aca 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3519,7 +3519,7 @@ expected-test-failures:
     - webdriver-angular # webdriver server
     - yahoo-finance-api # Requires being able to access Yahoo Finance API
     - req-conduit # bad JSON response from service pinged https://github.com/mrkkrp/req-conduit/issues/1
-    # clr-inline # requires working Mono https://github.com/fpco/stackage/issues/2510
+    - clr-inline # requires working Mono https://github.com/fpco/stackage/issues/2510
 
     # Test executable requires arguments
     - hpqtypes