diff --git a/modules/openapi-generator/src/main/resources/flaskConnexion/model.mustache b/modules/openapi-generator/src/main/resources/flaskConnexion/model.mustache
index 821eaa3a780c..5f90177cffba 100644
--- a/modules/openapi-generator/src/main/resources/flaskConnexion/model.mustache
+++ b/modules/openapi-generator/src/main/resources/flaskConnexion/model.mustache
@@ -35,7 +35,7 @@ class {{classname}}(Model):
         """
         self.openapi_types = {
 {{#vars}}
-            '{{name}}': '{{{dataType}}}'{{#hasMore}},{{/hasMore}}
+            '{{name}}': {{{dataType}}}{{#hasMore}},{{/hasMore}}
 {{/vars}}
         }