diff --git a/democlient/democlient.cpp b/democlient/democlient.cpp
index 95fb58ecd..5af9a7256 100644
--- a/democlient/democlient.cpp
+++ b/democlient/democlient.cpp
@@ -44,8 +44,8 @@ public:
         cppcheck.check("test.cpp", code);
     }
 
-    void reportOut(const std::string &outmsg) { }
-    void reportErr(const ErrorLogger::ErrorMessage &msg) {
+    void reportOut(const std::string &outmsg) override { }
+    void reportErr(const ErrorLogger::ErrorMessage &msg) override {
         const std::string s = msg.toString(true);
 
         std::cout << s << std::endl;
@@ -56,7 +56,7 @@ public:
 
     void reportProgress(const std::string& filename,
                         const char stage[],
-                        const unsigned int value) {
+                        const unsigned int value) override {
         if (std::time(nullptr) >= stoptime) {
             std::cout << "Time to analyse the code exceeded 2 seconds. Terminating.\n\n";
             cppcheck.terminate();