diff --git a/telephony/java/com/android/internal/telephony/DataConnection.java b/telephony/java/com/android/internal/telephony/DataConnection.java
index 8978f1d1417a1..636646eef1d1e 100644
--- a/telephony/java/com/android/internal/telephony/DataConnection.java
+++ b/telephony/java/com/android/internal/telephony/DataConnection.java
@@ -447,6 +447,7 @@ public abstract class DataConnection extends StateMachine {
         lastFailCause = FailCause.NONE;
         mRetryOverride = -1;
         mRefCount = 0;
+        cid = -1;
 
         mLinkProperties = new LinkProperties();
         mApn = null;