diff --git a/src/wayland/server_decoration_interface.cpp b/src/wayland/server_decoration_interface.cpp
index dc39577e2e..d7bf7d4fa3 100644
--- a/src/wayland/server_decoration_interface.cpp
+++ b/src/wayland/server_decoration_interface.cpp
@@ -190,7 +190,7 @@ ServerSideDecorationInterfacePrivate::~ServerSideDecorationInterfacePrivate()
 
 void ServerSideDecorationInterfacePrivate::setMode(ServerSideDecorationManagerInterface::Mode mode)
 {
-    mode = mode;
+    this->mode = mode;
     send_mode(modeWayland(mode));
 }