diff --git a/modules/swagger-codegen/src/main/java/io/swagger/codegen/InlineModelResolver.java b/modules/swagger-codegen/src/main/java/io/swagger/codegen/InlineModelResolver.java
index dfa5238f26f..143fa9568f6 100644
--- a/modules/swagger-codegen/src/main/java/io/swagger/codegen/InlineModelResolver.java
+++ b/modules/swagger-codegen/src/main/java/io/swagger/codegen/InlineModelResolver.java
@@ -342,7 +342,7 @@ public class InlineModelResolver {
                             refProperty.setRequired(op.getRequired());
                             mp.setAdditionalProperties(refProperty);
                         } else {
-                            RefProperty refProperty = new RefProperty(existing);
+                            RefProperty refProperty = new RefProperty(modelName);
                             refProperty.setRequired(op.getRequired());
                             mp.setAdditionalProperties(refProperty);
                             addGenerated(modelName, innerModel);