diff --git a/pkgs/development/r-modules/default.nix b/pkgs/development/r-modules/default.nix
index 1616eacffc6..444a249d2c0 100644
--- a/pkgs/development/r-modules/default.nix
+++ b/pkgs/development/r-modules/default.nix
@@ -447,6 +447,7 @@ let
     mnormt = [ pkgs.libiconv ];
     phangorn = [ pkgs.libiconv ];
     quadprog = [ pkgs.libiconv ];
+    randomForest = [ pkgs.libiconv ];
     sundialr = [ pkgs.libiconv ];
   };