diff --git a/modules/openapi-generator/src/main/resources/elm/modelTypeDiscriminator.mustache b/modules/openapi-generator/src/main/resources/elm/modelTypeDiscriminator.mustache
index 60652deca1b6..0abd0e71fabc 100644
--- a/modules/openapi-generator/src/main/resources/elm/modelTypeDiscriminator.mustache
+++ b/modules/openapi-generator/src/main/resources/elm/modelTypeDiscriminator.mustache
@@ -27,6 +27,6 @@ encode model =
     case model of
 {{#mappedModels}}
         {{modelName}}Type subModel ->
-            {{modelName}}.encoder "{{mappingName}}" subModel
+            {{modelName}}.encode "{{mappingName}}" subModel
 
 {{/mappedModels}}