diff --git a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/Client.java b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/Client.java
index 4a0b5aec40481..750c3f902e1af 100644
--- a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/Client.java
+++ b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/Client.java
@@ -330,7 +330,7 @@ static class Call {
     Writable rpcResponse;       // null if rpc has error
     IOException error;          // exception, null if success
     final RPC.RpcKind rpcKind;      // Rpc EngineKind
-    boolean done;               // true when call is done
+    volatile boolean done;      // true when call is done
     private final Object externalHandler;
     private AlignmentContext alignmentContext;