diff --git a/diagnostic_updater/include/diagnostic_updater/diagnostic_updater.hpp b/diagnostic_updater/include/diagnostic_updater/diagnostic_updater.hpp
index aaf5b0b63..bb9d8ce83 100644
--- a/diagnostic_updater/include/diagnostic_updater/diagnostic_updater.hpp
+++ b/diagnostic_updater/include/diagnostic_updater/diagnostic_updater.hpp
@@ -242,6 +242,8 @@ class DiagnosticTaskVector
   const std::vector<DiagnosticTaskInternal> & getTasks() {return tasks_;}
 
 public:
+  virtual ~DiagnosticTaskVector() {}
+
   /**
    * \brief Add a DiagnosticTask embodied by a name and function to the
    * DiagnosticTaskVector