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-rw-r--r--pkgs/development/ocaml-modules/crowbar/default.nix5
1 files changed, 4 insertions, 1 deletions
diff --git a/pkgs/development/ocaml-modules/crowbar/default.nix b/pkgs/development/ocaml-modules/crowbar/default.nix
index e114e7d8433ae..3557c22bc1444 100644
--- a/pkgs/development/ocaml-modules/crowbar/default.nix
+++ b/pkgs/development/ocaml-modules/crowbar/default.nix
@@ -14,7 +14,10 @@ buildDunePackage rec {
     sha256 = "0wjfc9irvirfkic32ivvj6qb7r838w08b0d3vmngigbjpjyc9b14";
   };
 
-  minimumOCamlVersion = "4.08";
+  minimalOCamlVersion = "4.08";
+
+  # Fix tests with pprint ≥ 20220103
+  patches = [ ./pprint.patch ];
 
   # disable xmldiff tests, so we don't need to package unmaintained and legacy pkgs
   postPatch = "rm -rf examples/xmldiff";