diff --git a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/AbstractGoCodegen.java b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/AbstractGoCodegen.java
index cfcf4fa27d5..e45bc2ef3fe 100644
--- a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/AbstractGoCodegen.java
+++ b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/AbstractGoCodegen.java
@@ -788,6 +788,7 @@ public abstract class AbstractGoCodegen extends DefaultCodegen implements Codege
 
     @Override
     public String toDefaultValue(Schema schema) {
+        schema = ModelUtils.unaliasSchema(this.openAPI, schema);
         if (schema.getDefault() != null) {
             return schema.getDefault().toString();
         } else {