diff --git a/build-constraints.yaml b/build-constraints.yaml
index 6db0dd3f..fb328637 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1017,6 +1017,9 @@ expected-test-failures:
     # https://github.com/jberryman/directory-tree/issues/4
     - directory-tree
 
+    # https://github.com/massysett/multiarg/issues/4
+    - multiarg
+
 # Haddocks which are expected to fail. Same concept as expected test failures.
 expected-haddock-failures:
     # https://github.com/acw/bytestring-progress/issues/4