diff --git a/src/configuration.h b/src/configuration.h
index 8aa4f0b2eca12a1500d104f4e4f1f2ded8ff96d4..d0f22507cfb4915cb05814b8d5fc12a6a932a474 100644
--- a/src/configuration.h
+++ b/src/configuration.h
@@ -9,7 +9,7 @@
 
 namespace libmueb {
 
-class Configuration {
+class Configuration final {
   Q_DISABLE_COPY(Configuration)
 
  public: