diff --git a/include/searcher.h b/include/searcher.h
index 08da3c993..262f79aff 100644
--- a/include/searcher.h
+++ b/include/searcher.h
@@ -51,7 +51,7 @@ namespace kiwix {
 
   public:
     Searcher();
-    ~Searcher();
+    virtual ~Searcher();
 
     void search(std::string &search, unsigned int resultStart,
 		unsigned int resultEnd, const bool verbose=false);
diff --git a/include/xapianSearcher.h b/include/xapianSearcher.h
index 2f21ed052..4404f2545 100644
--- a/include/xapianSearcher.h
+++ b/include/xapianSearcher.h
@@ -37,6 +37,7 @@ namespace kiwix {
     
   public:
     XapianSearcher(const string &xapianDirectoryPath);
+    virtual ~XapianSearcher() {};
     void searchInIndex(string &search, const unsigned int resultStart, const unsigned int resultEnd, 
 		       const bool verbose=false);