diff --git a/modules/plugins/languages/tex/build/builders/tectonic.nix b/modules/plugins/languages/tex/build/builders/tectonic.nix
index 29188cf2..82f4b8b2 100644
--- a/modules/plugins/languages/tex/build/builders/tectonic.nix
+++ b/modules/plugins/languages/tex/build/builders/tectonic.nix
@@ -211,7 +211,7 @@ in {
       name = "tectonic";
       args = collateArgs cfg.build;
       package = cfg.build.builders.tectonic.package;
-      executable = cfg.build.builders.tectonic.package;
+      executable = cfg.build.builders.tectonic.executable;
     };
   };
 }