diff --git a/engines/hugo/detection.cpp b/engines/hugo/detection.cpp
index 69d9b932ac0..25d8e18d38f 100644
--- a/engines/hugo/detection.cpp
+++ b/engines/hugo/detection.cpp
@@ -136,25 +136,25 @@ public:
 	HugoMetaEngine() : AdvancedMetaEngine(gameDescriptions, sizeof(HugoGameDescription), hugoGames) {
 	}
 
-	const char *getEngineId() const {
+	const char *getEngineId() const override {
 		return "hugo";
 	}
 
-	const char *getName() const {
+	const char *getName() const override {
 		return "Hugo";
 	}
 
-	const char *getOriginalCopyright() const {
+	const char *getOriginalCopyright() const override {
 		return "Hugo Engine (C) 1989-1997 David P. Gray";
 	}
 
-	bool createInstance(OSystem *syst, Engine **engine, const ADGameDescription *gd) const;
+	bool createInstance(OSystem *syst, Engine **engine, const ADGameDescription *gd) const override;
 	bool hasFeature(MetaEngineFeature f) const override;
 
-	int getMaximumSaveSlot() const;
-	SaveStateList listSaves(const char *target) const;
-	SaveStateDescriptor querySaveMetaInfos(const char *target, int slot) const;
-	void removeSaveState(const char *target, int slot) const;
+	int getMaximumSaveSlot() const override;
+	SaveStateList listSaves(const char *target) const override;
+	SaveStateDescriptor querySaveMetaInfos(const char *target, int slot) const override;
+	void removeSaveState(const char *target, int slot) const override;
 };
 
 bool HugoMetaEngine::createInstance(OSystem *syst, Engine **engine, const ADGameDescription *gd) const {
diff --git a/engines/hugo/hugo.h b/engines/hugo/hugo.h
index bec1967b02a..601df3369a6 100644
--- a/engines/hugo/hugo.h
+++ b/engines/hugo/hugo.h
@@ -239,7 +239,7 @@ public:
 	Maze      _maze;                                // Maze control structure
 	hugoBoot  _boot;                                // Boot info structure
 
-	GUI::Debugger *getDebugger();
+	GUI::Debugger *getDebugger() override;
 
 	Common::RandomSource *_rnd;
 
@@ -263,8 +263,8 @@ public:
 		return *s_Engine;
 	}
 
-	virtual bool canLoadGameStateCurrently();
-	virtual bool canSaveGameStateCurrently();
+	virtual bool canLoadGameStateCurrently() override;
+	virtual bool canSaveGameStateCurrently() override;
 	bool loadHugoDat();
 
 	int8 getTPS() const;
@@ -277,7 +277,7 @@ public:
 	void readScreenFiles(const int screen);
 	void setNewScreen(const int screen);
 	void shutdown();
-	void syncSoundSettings();
+	void syncSoundSettings() override;
 
 	Status &getGameStatus();
 	int getScore() const;
@@ -285,8 +285,8 @@ public:
 	void adjustScore(const int adjustment);
 	int getMaxScore() const;
 	void setMaxScore(const int newScore);
-	Common::Error saveGameState(int slot, const Common::String &desc);
-	Common::Error loadGameState(int slot);
+	Common::Error saveGameState(int slot, const Common::String &desc) override;
+	Common::Error loadGameState(int slot) override;
 	bool hasFeature(EngineFeature f) const override;
 	const char *getCopyrightString() const;
 
@@ -309,7 +309,7 @@ public:
 protected:
 
 	// Engine APIs
-	Common::Error run();
+	Common::Error run() override;
 
 private:
 	static const int kTurboTps = 16;                // This many in turbo mode