diff --git a/build b/build
index 780fea92..efee1f88 100644
--- a/build
+++ b/build
@@ -1 +1 @@
-77
\ No newline at end of file
+78
\ No newline at end of file
diff --git a/src/framework/MicroService.h b/src/framework/MicroService.h
index c9861fba..a991316f 100644
--- a/src/framework/MicroService.h
+++ b/src/framework/MicroService.h
@@ -170,6 +170,7 @@ namespace OpenWifi {
         inline void SetConfigContent(const std::string &Content) { ConfigContent_ = Content; }
 
         inline std::optional<OpenWifi::Types::MicroServiceMeta> GetPrivateEndPointServiceKey( const std::string & ServicePrivateEndPoint ) {
+            std::lock_guard   G(InfraMutex_);
             auto K = Services_.find(ServicePrivateEndPoint);
             if(K==end(Services_)) {
                 return std::nullopt;