diff --git a/pkgs/development/r-modules/default.nix b/pkgs/development/r-modules/default.nix
index c25f7c36ebd..4c8935d9222 100644
--- a/pkgs/development/r-modules/default.nix
+++ b/pkgs/development/r-modules/default.nix
@@ -449,6 +449,7 @@ let
     pan = [ pkgs.libiconv ];
     phangorn = [ pkgs.libiconv ];
     quadprog = [ pkgs.libiconv ];
+    randomForest = [ pkgs.libiconv ];
     sundialr = [ pkgs.libiconv ];
   };