diff --git a/plugins/maven/maven-server-api/src/org/jetbrains/idea/maven/server/MavenServerUtil.java b/plugins/maven/maven-server-api/src/org/jetbrains/idea/maven/server/MavenServerUtil.java
index 5691c4f98513..3555f9e957de 100644
--- a/plugins/maven/maven-server-api/src/org/jetbrains/idea/maven/server/MavenServerUtil.java
+++ b/plugins/maven/maven-server-api/src/org/jetbrains/idea/maven/server/MavenServerUtil.java
@@ -28,7 +28,8 @@ public class MavenServerUtil {
   private static final Properties mySystemPropertiesCache;
 
   static {
-    Properties res = new Properties((Properties)System.getProperties().clone());
+    Properties res = new Properties();
+    res.putAll((Properties)System.getProperties().clone());
     
     for (Iterator<Object> itr = res.keySet().iterator(); itr.hasNext(); ) {
       String propertyName = itr.next().toString();