3 files changed, 3 insertions, 0 deletions
diff --git a/engines/sherlock/map.h b/engines/sherlock/map.h
index 2569e18187..104f5e9c8a 100644
--- a/engines/sherlock/map.h
+++ b/engines/sherlock/map.h
@@ -43,6 +43,7 @@ public:
 	bool _frameChangeFlag;
 public:
 	static Map *init(SherlockEngine *vm);
+	virtual ~Map() {}
 
 	/**
 	 * Show the map
diff --git a/engines/sherlock/scalpel/scalpel_map.h b/engines/sherlock/scalpel/scalpel_map.h
index e61375f116..b17677725c 100644
--- a/engines/sherlock/scalpel/scalpel_map.h
+++ b/engines/sherlock/scalpel/scalpel_map.h
@@ -146,6 +146,7 @@ protected:
 	void highlightIcon(const Common::Point &pt);
 public:
 	ScalpelMap(SherlockEngine *vm);
+	virtual ~ScalpelMap() {}
 
 	const MapEntry &operator[](int idx) { return _points[idx]; }
 
diff --git a/engines/sherlock/tattoo/tattoo_map.h b/engines/sherlock/tattoo/tattoo_map.h
index 15dd90e78a..750cd90c3b 100644
--- a/engines/sherlock/tattoo/tattoo_map.h
+++ b/engines/sherlock/tattoo/tattoo_map.h
@@ -35,6 +35,7 @@ namespace Tattoo {
 class TattooMap : public Map {
 public:
 	TattooMap(SherlockEngine *vm) : Map(vm) {}
+	virtual ~TattooMap() {}
 
 	/**
 	 * Show the map