diff --git a/pkgs/development/r-modules/default.nix b/pkgs/development/r-modules/default.nix
index f0074843774..e813e550f6e 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 ];
+    sundialr = [ pkgs.libiconv ];
   };
 
   packagesRequireingX = [