diff --git a/build-constraints.yaml b/build-constraints.yaml
index b43b82ef..7be59c86 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1238,7 +1238,7 @@ packages:
         - hsass
 
     "Robert Massaioli robertmassaioli@gmail.com":
-        {}
+        []
         # https://github.com/fpco/stackage/issues/812
         #- range