diff --git a/modules/openapi-generator/src/main/resources/elm/recordFieldValueDecoder.mustache b/modules/openapi-generator/src/main/resources/elm/recordFieldValueDecoder.mustache
index d01b75352d4..31d811eb5fe 100644
--- a/modules/openapi-generator/src/main/resources/elm/recordFieldValueDecoder.mustache
+++ b/modules/openapi-generator/src/main/resources/elm/recordFieldValueDecoder.mustache
@@ -1 +1 @@
-{{#isArray}}(Json.Decode.list {{/isArray}}{{#isMap}}(Json.Decode.dict {{/isMap}}{{#items}}{{>recordFieldValueDecoder}}{{/items}}{{^isArray}}{{#isCircularReference}}(Json.Decode.lazy (\_ -> {{/isCircularReference}}{{>fieldDecoder}}{{#isCircularReference}})){{/isCircularReference}}{{/isArray}}{{#isArray}}){{/isArray}}{{#isMap}}){{/isMap}}
\ No newline at end of file
+{{#isArray}}(Json.Decode.list {{#items}}{{>recordFieldValueDecoder}}{{/items}}{{/isArray}}{{#isMap}}(Json.Decode.dict {{#AdditionalProperties}}{{>recordFieldValueDecoder}}{{/AdditionalProperties}}{{/isMap}}{{^isArray}}{{^isMap}}{{#isCircularReference}}(Json.Decode.lazy (\_ -> {{/isCircularReference}}{{>fieldDecoder}}{{#isCircularReference}})){{/isCircularReference}}{{/isMap}}{{/isArray}}{{#isArray}}){{/isArray}}{{#isMap}}){{/isMap}}
\ No newline at end of file