diff --git a/api/builtins/AnnotationsTransformer.go b/api/builtins/annotationstransformer.go
similarity index 100%
rename from api/builtins/AnnotationsTransformer.go
rename to api/builtins/annotationstransformer.go
diff --git a/api/builtins/ConfigMapGenerator.go b/api/builtins/configmapgenerator.go
similarity index 100%
rename from api/builtins/ConfigMapGenerator.go
rename to api/builtins/configmapgenerator.go
diff --git a/api/builtins/HashTransformer.go b/api/builtins/hashtransformer.go
similarity index 100%
rename from api/builtins/HashTransformer.go
rename to api/builtins/hashtransformer.go
diff --git a/api/builtins/ImageTagTransformer.go b/api/builtins/imagetagtransformer.go
similarity index 100%
rename from api/builtins/ImageTagTransformer.go
rename to api/builtins/imagetagtransformer.go
diff --git a/api/builtins/InventoryTransformer.go b/api/builtins/inventorytransformer.go
similarity index 100%
rename from api/builtins/InventoryTransformer.go
rename to api/builtins/inventorytransformer.go
diff --git a/api/builtins/LabelTransformer.go b/api/builtins/labeltransformer.go
similarity index 100%
rename from api/builtins/LabelTransformer.go
rename to api/builtins/labeltransformer.go
diff --git a/api/builtins/LegacyOrderTransformer.go b/api/builtins/legacyordertransformer.go
similarity index 100%
rename from api/builtins/LegacyOrderTransformer.go
rename to api/builtins/legacyordertransformer.go
diff --git a/api/builtins/NamespaceTransformer.go b/api/builtins/namespacetransformer.go
similarity index 100%
rename from api/builtins/NamespaceTransformer.go
rename to api/builtins/namespacetransformer.go
diff --git a/api/builtins/PatchJson6902Transformer.go b/api/builtins/patchjson6902transformer.go
similarity index 100%
rename from api/builtins/PatchJson6902Transformer.go
rename to api/builtins/patchjson6902transformer.go
diff --git a/api/builtins/PatchStrategicMergeTransformer.go b/api/builtins/patchstrategicmergetransformer.go
similarity index 100%
rename from api/builtins/PatchStrategicMergeTransformer.go
rename to api/builtins/patchstrategicmergetransformer.go
diff --git a/api/builtins/PatchTransformer.go b/api/builtins/patchtransformer.go
similarity index 100%
rename from api/builtins/PatchTransformer.go
rename to api/builtins/patchtransformer.go
diff --git a/api/builtins/PrefixSuffixTransformer.go b/api/builtins/prefixsuffixtransformer.go
similarity index 100%
rename from api/builtins/PrefixSuffixTransformer.go
rename to api/builtins/prefixsuffixtransformer.go
diff --git a/api/builtins/ReplicaCountTransformer.go b/api/builtins/replicacounttransformer.go
similarity index 100%
rename from api/builtins/ReplicaCountTransformer.go
rename to api/builtins/replicacounttransformer.go
diff --git a/api/builtins/SecretGenerator.go b/api/builtins/secretgenerator.go
similarity index 100%
rename from api/builtins/SecretGenerator.go
rename to api/builtins/secretgenerator.go
diff --git a/pluginator/main.go b/pluginator/main.go
index 76b2e9d3e..9cf10967d 100644
--- a/pluginator/main.go
+++ b/pluginator/main.go
@@ -126,8 +126,9 @@ func makeOutputFileName(root string) string {
 		"src",
 		pgmconfig.DomainName,
 		pgmconfig.ProgramName,
-		"api", packageForGeneratedCode,
-		root+".go")
+		"api",
+		packageForGeneratedCode,
+		strings.ToLower(root)+".go")
 }
 
 func (w *writer) close() {