diff --git a/src/Mod/Web/App/Server.cpp b/src/Mod/Web/App/Server.cpp
index 2230a8d3f..a96ac42a7 100644
--- a/src/Mod/Web/App/Server.cpp
+++ b/src/Mod/Web/App/Server.cpp
@@ -56,7 +56,7 @@ Firewall::~Firewall()
 {
 }
 
-bool Firewall::filter(const QByteArray& cmd) const
+bool Firewall::filter(const QByteArray&) const
 {
     return true;
 }