diff --git a/pkgs/development/r-modules/default.nix b/pkgs/development/r-modules/default.nix
index 1e535e05ccfc..b8a67f7a3cf3 100644
--- a/pkgs/development/r-modules/default.nix
+++ b/pkgs/development/r-modules/default.nix
@@ -895,7 +895,10 @@ let
       cargo
       rustc
     ];
-    awdb = [ pkgs.cargo ];
+    awdb = with pkgs; [
+      cargo
+      rustc
+    ];
     apcf = with pkgs; [ geos ];
     SemiCompRisks = [ pkgs.gsl ];
     showtext = with pkgs; [