diff --git a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/SpringCodegen.java b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/SpringCodegen.java
index 6b43ee372eb..4411e27b81b 100644
--- a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/SpringCodegen.java
+++ b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/SpringCodegen.java
@@ -576,7 +576,9 @@ public class SpringCodegen extends AbstractJavaCodegen
                 allParams.add(p);
             }
         }
-        allParams.get(allParams.size()-1).hasMore =false;
+        if (!allParams.isEmpty()) {
+            allParams.get(allParams.size()-1).hasMore =false;
+        }
     }
 
     @Override