diff --git a/core/src/main/java/org/apache/struts2/interceptor/ParameterAware.java b/core/src/main/java/org/apache/struts2/interceptor/ParameterAware.java
index 576950126d..561542376b 100644
--- a/core/src/main/java/org/apache/struts2/interceptor/ParameterAware.java
+++ b/core/src/main/java/org/apache/struts2/interceptor/ParameterAware.java
@@ -27,7 +27,7 @@
 @Deprecated
 public interface ParameterAware extends org.apache.struts2.action.ParametersAware {
 
-    void setParameters(Map map);
+    void setParameters(Map<String, String[]> map);
 
     @Override
     default void withParameters(HttpParameters parameters) {