diff --git a/src/com/android/phone/PhoneInterfaceManager.java b/src/com/android/phone/PhoneInterfaceManager.java
index 46c2847..22402d3 100755
--- a/src/com/android/phone/PhoneInterfaceManager.java
+++ b/src/com/android/phone/PhoneInterfaceManager.java
@@ -3813,7 +3813,7 @@
             int command, int p1, int p2, int p3, String data) {
         final long identity = Binder.clearCallingIdentity();
         try {
-            if (channel < 0) {
+            if (channel <= 0) {
                 return "";
             }