diff --git a/core/src/main/java/com/opensymphony/xwork2/config/impl/MockConfiguration.java b/core/src/main/java/com/opensymphony/xwork2/config/impl/MockConfiguration.java
index 3148f0578..120d3f9ae 100644
--- a/core/src/main/java/com/opensymphony/xwork2/config/impl/MockConfiguration.java
+++ b/core/src/main/java/com/opensymphony/xwork2/config/impl/MockConfiguration.java
@@ -24,6 +24,7 @@ import com.opensymphony.xwork2.inject.Container;
 import com.opensymphony.xwork2.inject.ContainerBuilder;
 import com.opensymphony.xwork2.inject.Scope;
 import com.opensymphony.xwork2.util.location.LocatableProperties;
+import org.apache.struts2.StrutsConstants;
 
 import java.util.*;
 
@@ -51,6 +52,7 @@ public class MockConfiguration implements Configuration {
         builder.constant(XWorkConstants.DEV_MODE, "false");
         builder.constant(XWorkConstants.RELOAD_XML_CONFIGURATION, "true");
         builder.constant(XWorkConstants.ENABLE_OGNL_EXPRESSION_CACHE, "true");
+        builder.constant(StrutsConstants.STRUTS_ENABLE_DYNAMIC_METHOD_INVOCATION, "false");
         container = builder.create(true);
     }
 
diff --git a/core/src/main/java/com/opensymphony/xwork2/config/providers/XWorkConfigurationProvider.java b/core/src/main/java/com/opensymphony/xwork2/config/providers/XWorkConfigurationProvider.java
index 89e8f97d7..0141e62b3 100644
--- a/core/src/main/java/com/opensymphony/xwork2/config/providers/XWorkConfigurationProvider.java
+++ b/core/src/main/java/com/opensymphony/xwork2/config/providers/XWorkConfigurationProvider.java
@@ -87,6 +87,7 @@ import com.opensymphony.xwork2.validator.ValidatorFactory;
 import com.opensymphony.xwork2.validator.ValidatorFileParser;
 import ognl.MethodAccessor;
 import ognl.PropertyAccessor;
+import org.apache.struts2.StrutsConstants;
 
 import java.util.ArrayList;
 import java.util.Collection;
@@ -181,6 +182,7 @@ public class XWorkConfigurationProvider implements ConfigurationProvider {
                 .factory(AcceptedPatternsChecker.class, DefaultAcceptedPatternsChecker.class, Scope.PROTOTYPE)
         ;
 
+        props.setProperty(StrutsConstants.STRUTS_ENABLE_DYNAMIC_METHOD_INVOCATION, Boolean.FALSE.toString());
         props.setProperty(XWorkConstants.DEV_MODE, Boolean.FALSE.toString());
         props.setProperty(XWorkConstants.LOG_MISSING_PROPERTIES, Boolean.FALSE.toString());
         props.setProperty(XWorkConstants.ENABLE_OGNL_EXPRESSION_CACHE, Boolean.TRUE.toString());
diff --git a/core/src/main/java/com/opensymphony/xwork2/security/DefaultExcludedPatternsChecker.java b/core/src/main/java/com/opensymphony/xwork2/security/DefaultExcludedPatternsChecker.java
index e8f7282db..687d17f8d 100644
--- a/core/src/main/java/com/opensymphony/xwork2/security/DefaultExcludedPatternsChecker.java
+++ b/core/src/main/java/com/opensymphony/xwork2/security/DefaultExcludedPatternsChecker.java
@@ -46,9 +46,10 @@ public class DefaultExcludedPatternsChecker implements ExcludedPatternsChecker {
         }
     }
 
-    @Inject(value = StrutsConstants.STRUTS_ENABLE_DYNAMIC_METHOD_INVOCATION, required = false)
+    @Inject(StrutsConstants.STRUTS_ENABLE_DYNAMIC_METHOD_INVOCATION)
     public void setDynamicMethodInvocation(String dmiValue) {
-        if (BooleanUtils.toBoolean(dmiValue)) {
+        if (!BooleanUtils.toBoolean(dmiValue)) {
+            LOG.debug("DMI is disabled, adding DMI related excluded patterns");
             setAdditionalExcludePatterns("^(action|method):.*");
         }
     }