diff --git a/src/helma/util/ResourceProperties.java b/src/helma/util/ResourceProperties.java
index 0b6dfaf4..8aa567d2 100644
--- a/src/helma/util/ResourceProperties.java
+++ b/src/helma/util/ResourceProperties.java
@@ -232,6 +232,8 @@ public class ResourceProperties extends Properties {
                     it.remove();
                 }
             }
+            // copy new up-to-date keyMap to ourself
+            keyMap = temp.keyMap;
 
             lastChecksum = getChecksum();
             lastCheck = lastModified = System.currentTimeMillis();