diff --git a/core/EngineHubProxyBase.h b/core/EngineHubProxyBase.h
index c17b2c29..7b9f3ae8 100644
--- a/core/EngineHubProxyBase.h
+++ b/core/EngineHubProxyBase.h
@@ -101,6 +101,7 @@ typedef std::function<void(const GnssSvNotification& svNotify, bool fromUlp)>
 // potential parameters: message queue: MsgTask * msgTask;
 // callback function to report back dr and ppe position and sv report
 typedef EngineHubProxyBase* (getEngHubProxyFn)(const MsgTask * msgTask,
+                                               IOsObserver* osObserver,
                                                GnssAdapterReportPositionEventCb positionEventCb,
                                                GnssAdapterReportSvEventCb svEventCb);
 
diff --git a/gnss/GnssAdapter.cpp b/gnss/GnssAdapter.cpp
index a57d1a40..f996ebee 100644
--- a/gnss/GnssAdapter.cpp
+++ b/gnss/GnssAdapter.cpp
@@ -3310,7 +3310,8 @@ GnssAdapter::initEngHubProxy() {
 
         getEngHubProxyFn* getter = (getEngHubProxyFn*) dlsym(handle, "getEngHubProxy");
         if(getter != nullptr) {
-            EngineHubProxyBase* hubProxy = (*getter) (mMsgTask, reportPositionEventCb,
+            EngineHubProxyBase* hubProxy = (*getter) (mMsgTask, mSystemStatus->getOsObserver(),
+                                                      reportPositionEventCb,
                                                       reportSvEventCb);
             if (hubProxy != nullptr) {
                 mEngHubProxy = hubProxy;
diff --git a/gnss/GnssAdapter.h b/gnss/GnssAdapter.h
index e047f75b..c1e17545 100644
--- a/gnss/GnssAdapter.h
+++ b/gnss/GnssAdapter.h
@@ -32,6 +32,7 @@
 #include <LocAdapterBase.h>
 #include <LocDualContext.h>
 #include <UlpProxyBase.h>
+#include <IOsObserver.h>
 #include <EngineHubProxyBase.h>
 #include <LocationAPI.h>
 #include <Agps.h>
diff --git a/utils/LocIpc.h b/utils/LocIpc.h
index 8598a327..0c37a7ad 100644
--- a/utils/LocIpc.h
+++ b/utils/LocIpc.h
@@ -140,10 +140,10 @@ private:
     std::shared_ptr<int> mSocket;
     struct sockaddr_un mDestAddr;
 
-    inline LocIpcSender(
-            const std::shared_ptr<int>& mySocket, const char* destSocket) : mSocket(mySocket) {
+    inline LocIpcSender(const std::shared_ptr<int>& mySocket, const char* destSocket) :
+        mSocket(mySocket),
+        mDestAddr({.sun_family = AF_UNIX, {}}) {
         if ((nullptr != mSocket) && (-1 != *mSocket) && (nullptr != destSocket)) {
-            mDestAddr.sun_family = AF_UNIX;
             snprintf(mDestAddr.sun_path, sizeof(mDestAddr.sun_path), "%s", destSocket);
         }
     }