diff --git a/src/tools/qtwaylandscanner/qtwaylandscanner.cpp b/src/tools/qtwaylandscanner/qtwaylandscanner.cpp
index 6bdcb8da5ce..861c655bdf3 100644
--- a/src/tools/qtwaylandscanner/qtwaylandscanner.cpp
+++ b/src/tools/qtwaylandscanner/qtwaylandscanner.cpp
@@ -438,7 +438,7 @@ bool Scanner::process()
         return false;
 
     printf("// This file was generated by qtwaylandscanner\n");
-    printf("// source file is %s\n\n", qPrintable(m_protocolFilePath));
+    printf("// source file is %s\n\n", qPrintable(QFileInfo(file).fileName()));
 
     for (auto b : std::as_const(m_includes))
         printf("#include %s\n", b.constData());