diff --git a/nix/workbench/profile/prof1-variants.jq b/nix/workbench/profile/prof1-variants.jq
index ee1701f2d36..665c7a47a3a 100644
--- a/nix/workbench/profile/prof1-variants.jq
+++ b/nix/workbench/profile/prof1-variants.jq
@@ -551,7 +551,7 @@ def all_profile_variants:
     ({
       workloads: [{
         workload_type: "bash"
-      , service_module: "voting.nix"
+      , service_module: "voting"
       , entrypoints: {
           generator: "workflow_generator"
         , producers: "workflow_producer"
diff --git a/nix/workbench/service/generator.nix b/nix/workbench/service/generator.nix
index 24356339f9f..bb73d42d3c1 100644
--- a/nix/workbench/service/generator.nix
+++ b/nix/workbench/service/generator.nix
@@ -136,7 +136,7 @@ let
                   entrypoint = workload.entrypoints.generator;
               in
                 ''
-                ${import ./${service_module} {inherit pkgs profile nodeSpecs;}}
+                ${import ./${service_module}.nix {inherit pkgs profile nodeSpecs;}}
                 ${entrypoint} \
                 ${if profile.composition.with_explorer then "explorer" else "node-0"}
                 ''