diff --git a/qml/Pages/WebInit.qml b/qml/Pages/WebInit.qml
index bd50f3d4..35883665 100644
--- a/qml/Pages/WebInit.qml
+++ b/qml/Pages/WebInit.qml
@@ -6,7 +6,7 @@ Item {
   scale: 2
 
   // Change this to your server's IP or domain name
-  property string server_addr: "127.0.0.1:9530"
+  property string server_addr: ServerAddr
 
   Frame {
     id: join_server
diff --git a/src/main.cpp b/src/main.cpp
index ebc05141..da7123cd 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -153,6 +153,7 @@ int main(int argc, char *argv[])
   system = "Android";
 #elif defined(Q_OS_WASM)
   system = "Web";
+  engine->rootContext()->setContextProperty("ServerAddr", "127.0.0.1:9530");
 #elif defined(Q_OS_WIN32)
   system = "Win";
 #elif defined(Q_OS_LINUX)