diff --git a/src/runtime/haskell-bind/pgf2.cabal b/src/runtime/haskell-bind/pgf2.cabal
index d7a98489e..3ca7e816c 100644
--- a/src/runtime/haskell-bind/pgf2.cabal
+++ b/src/runtime/haskell-bind/pgf2.cabal
@@ -15,7 +15,7 @@ homepage: https://www.grammaticalframework.org/
 bug-reports: https://github.com/GrammaticalFramework/gf-core/issues
 author: Krasimir Angelov
 extra-source-files: CHANGELOG.md, README.md
-tested-with: GHC==7.10.3, GHC==8.0.2, GHC==8.10.4, GHC=9.6.6
+tested-with: GHC==7.10.3, GHC==8.0.2, GHC==8.10.4, GHC==9.6.6
 
 library
   exposed-modules: