diff --git a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/AbstractCSharpCodegen.java b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/AbstractCSharpCodegen.java
index bdd9462d0e9..371aa8a99c3 100644
--- a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/AbstractCSharpCodegen.java
+++ b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/AbstractCSharpCodegen.java
@@ -1121,11 +1121,7 @@ public abstract class AbstractCSharpCodegen extends DefaultCodegen implements Co
      * Returns the model related to the given parameter
      */
     private CodegenModel getModelFromParameter(HashMap<String, CodegenModel> allModels, CodegenParameter parameter) {
-        if (parameter.isModel || parameter.getIsEnumOrRef()) {
-            return allModels.getOrDefault(parameter.dataType, null);
-        } else {
-            return null;
-        }
+        return allModels.getOrDefault(parameter.dataType, null);
     }
 
     /**