diff --git a/services/java/com/android/server/ConnectivityService.java b/services/java/com/android/server/ConnectivityService.java
index 52c7b40..4bdf992 100644
--- a/services/java/com/android/server/ConnectivityService.java
+++ b/services/java/com/android/server/ConnectivityService.java
@@ -3428,7 +3428,7 @@
         synchronized (mProxyLock) {
             if (mDefaultProxy != null && mDefaultProxy.equals(proxy)) return;
             if (mDefaultProxy == proxy) return; // catches repeated nulls
-            if (!proxy.isValid()) {
+            if (proxy != null &&  !proxy.isValid()) {
                 if (DBG) log("Invalid proxy properties, ignoring: " + proxy.toString());
                 return;
             }