diff --git a/gps/utils/LocIpc.h b/gps/utils/LocIpc.h
index 810efb0..7e5e1c5 100644
--- a/gps/utils/LocIpc.h
+++ b/gps/utils/LocIpc.h
@@ -116,7 +116,7 @@ class LocIpcSender {
     }
 
     inline ~LocIpcSender() {
-        if (nullptr != mSocket && mSocket.unique()) {
+        if (nullptr != mSocket && mSocket.use_count() == 1) {
             ::close(*mSocket);
         }
     }