diff --git a/internal/generator/generator.go b/internal/generator/generator.go
index b275a50..2face53 100644
--- a/internal/generator/generator.go
+++ b/internal/generator/generator.go
@@ -228,7 +228,8 @@ func dropIngoredServices(project *types.Project) {
 
 // makeSvcOptionalServices makes all services optional with the "svc-optional" label set to true (or yes).
 func makeSvcOptionalServices(project *types.Project) {
-	for name, service := range project.Services {
+	// The service name is not needed here; we only need the service object.
+	for _, service := range project.Services {
 		if isSvcOptional(service) {
 			// delete(project.Services, name)
 			// make optional