diff --git a/source/org/jivesoftware/smack/filter/ToContainsFilter.java b/source/org/jivesoftware/smack/filter/ToContainsFilter.java
index 2932225b2..8ef32eacc 100644
--- a/source/org/jivesoftware/smack/filter/ToContainsFilter.java
+++ b/source/org/jivesoftware/smack/filter/ToContainsFilter.java
@@ -77,6 +77,11 @@ public class ToContainsFilter implements PacketFilter {
     }
 
     public boolean accept(Packet packet) {
-        return packet.getTo().indexOf(to) != -1;
+        if (packet.getTo() == null) {
+            return false;
+        }
+        else {
+            return packet.getTo().indexOf(to) != -1;
+        }
     }
 }