1 files changed, 4 insertions, 4 deletions
diff --git a/src/Common/SystemBackend.h b/src/Common/SystemBackend.h
index 6929c8d..19b0715 100644
--- a/src/Common/SystemBackend.h
+++ b/src/Common/SystemBackend.h
@@ -21,20 +21,20 @@
 #define MAD_COMMON_SYSTEMBACKEND_H_
 
 #include <stdint.h>
+#include <memory>
 
 namespace Mad {
 namespace Common {
 
 class SystemBackend {
   private:
-    static SystemBackend *backend;
+    static std::auto_ptr<SystemBackend> backend;
 
   protected:
     SystemBackend() {}
 
     static void setBackend(SystemBackend *backend0) {
-      delete backend;
-      backend = backend0;
+      backend = std::auto_ptr<SystemBackend>(backend0);
     }
 
   public:
@@ -63,7 +63,7 @@ class SystemBackend {
     }
 
     static SystemBackend *getBackend() {
-      return backend;
+      return backend.get();
     }
 };