diff --git a/pkgs/development/r-modules/default.nix b/pkgs/development/r-modules/default.nix
index 1b66cb2eb96c..e290bb2adf29 100644
--- a/pkgs/development/r-modules/default.nix
+++ b/pkgs/development/r-modules/default.nix
@@ -1145,6 +1145,11 @@ let
       postPatch = "patchShebangs configure";
     });
 
+    b64 = old.b64.overrideAttrs (attrs: {
+      nativeBuildInputs = [ pkgs.cargo ] ++ attrs.nativeBuildInputs;
+      postPatch = "patchShebangs configure";
+    });
+
     data_table = old.data_table.overrideAttrs (attrs: {
       env = (attrs.env or { }) // {
         NIX_CFLAGS_COMPILE = attrs.env.NIX_CFLAGS_COMPILE + " -fopenmp";