diff --git a/src/main/java/io/swagger/codegen/v3/generators/dotnet/AbstractCSharpCodegen.java b/src/main/java/io/swagger/codegen/v3/generators/dotnet/AbstractCSharpCodegen.java
index 9e6b178a97..72dd4849d0 100644
--- a/src/main/java/io/swagger/codegen/v3/generators/dotnet/AbstractCSharpCodegen.java
+++ b/src/main/java/io/swagger/codegen/v3/generators/dotnet/AbstractCSharpCodegen.java
@@ -752,7 +752,7 @@ public String getSchemaType(Schema propertySchema) {
 
         if (propertySchema.get$ref() != null) {
             final Schema refSchema = OpenAPIUtil.getSchemaFromName(swaggerType, this.openAPI);
-            if (refSchema != null && !isObjectSchema(refSchema) && refSchema.getEnum() == null) {
+            if (refSchema != null && !isObjectSchema(refSchema) && !(refSchema instanceof ArraySchema || refSchema instanceof MapSchema) && refSchema.getEnum() == null) {
                 swaggerType = super.getSchemaType(refSchema);
             }
         }