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-rw-r--r--pkgs/top-level/ocaml-packages.nix5
1 files changed, 4 insertions, 1 deletions
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index cccb378068d..4af5a810fd0 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -172,7 +172,10 @@ let
       lwt = ocaml_lwt;
     };
 
-    csv = callPackage ../development/ocaml-modules/csv { };
+    csv =
+      if lib.versionAtLeast ocaml.version "4.2"
+      then callPackage ../development/ocaml-modules/csv { }
+      else callPackage ../development/ocaml-modules/csv/1.5.nix { };
 
     curses = callPackage ../development/ocaml-modules/curses { };