diff --git a/core/src/main/java/org/apache/struts2/dispatcher/mapper/DefaultActionMapper.java b/core/src/main/java/org/apache/struts2/dispatcher/mapper/DefaultActionMapper.java
index 7ac1e6dc8..11b7bae71 100644
--- a/core/src/main/java/org/apache/struts2/dispatcher/mapper/DefaultActionMapper.java
+++ b/core/src/main/java/org/apache/struts2/dispatcher/mapper/DefaultActionMapper.java
@@ -22,9 +22,11 @@ package org.apache.struts2.dispatcher.mapper;
 
 import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.HashSet;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
+import java.util.Set;
 
 import javax.servlet.http.HttpServletRequest;
 
@@ -285,15 +287,26 @@ public class DefaultActionMapper implements ActionMapper {
     public void handleSpecialParameters(HttpServletRequest request,
             ActionMapping mapping) {
         // handle special parameter prefixes.
+        Set<String> uniqueParameters = new HashSet<String>();
         Map parameterMap = request.getParameterMap();
         for (Iterator iterator = parameterMap.keySet().iterator(); iterator
                 .hasNext();) {
             String key = (String) iterator.next();
-            ParameterAction parameterAction = (ParameterAction) prefixTrie
-                    .get(key);
-            if (parameterAction != null) {
-                parameterAction.execute(key, mapping);
-                break;
+            
+            // Strip off the image button location info, if found
+            if (key.endsWith(".x") || key.endsWith(".y")) {
+                key = key.substring(0, key.length() - 2);
+            }
+            
+            // Ensure a parameter doesn't get processed twice
+            if (!uniqueParameters.contains(key)) {
+                ParameterAction parameterAction = (ParameterAction) prefixTrie
+                        .get(key);
+                if (parameterAction != null) {
+                    parameterAction.execute(key, mapping);
+                    uniqueParameters.add(key);
+                    break;
+                }
             }
         }
     }
diff --git a/core/src/test/java/org/apache/struts2/dispatcher/mapper/DefaultActionMapperTest.java b/core/src/test/java/org/apache/struts2/dispatcher/mapper/DefaultActionMapperTest.java
index 8382138fe..3032a27fd 100644
--- a/core/src/test/java/org/apache/struts2/dispatcher/mapper/DefaultActionMapperTest.java
+++ b/core/src/test/java/org/apache/struts2/dispatcher/mapper/DefaultActionMapperTest.java
@@ -239,6 +239,37 @@ public class DefaultActionMapperTest extends StrutsTestCase {
 
         assertEquals(actionMapping.getName(), "myAction");
     }
+    
+    public void testActionPrefix_fromImageButton() throws Exception {
+        Map parameterMap = new HashMap();
+        parameterMap.put(DefaultActionMapper.ACTION_PREFIX + "myAction", "");
+        parameterMap.put(DefaultActionMapper.ACTION_PREFIX + "myAction.x", "");
+        parameterMap.put(DefaultActionMapper.ACTION_PREFIX + "myAction.y", "");
+
+        StrutsMockHttpServletRequest request = new StrutsMockHttpServletRequest();
+        request.setParameterMap(parameterMap);
+        request.setupGetServletPath("/someServletPath.action");
+
+        DefaultActionMapper defaultActionMapper = new DefaultActionMapper();
+        ActionMapping actionMapping = defaultActionMapper.getMapping(request, configManager);
+
+        assertEquals(actionMapping.getName(), "myAction");
+    }
+    
+    public void testActionPrefix_fromIEImageButton() throws Exception {
+        Map parameterMap = new HashMap();
+        parameterMap.put(DefaultActionMapper.ACTION_PREFIX + "myAction.x", "");
+        parameterMap.put(DefaultActionMapper.ACTION_PREFIX + "myAction.y", "");
+
+        StrutsMockHttpServletRequest request = new StrutsMockHttpServletRequest();
+        request.setParameterMap(parameterMap);
+        request.setupGetServletPath("/someServletPath.action");
+
+        DefaultActionMapper defaultActionMapper = new DefaultActionMapper();
+        ActionMapping actionMapping = defaultActionMapper.getMapping(request, configManager);
+
+        assertEquals(actionMapping.getName(), "myAction");
+    }
 
     public void testRedirectPrefix() throws Exception {
         Map parameterMap = new HashMap();