diff --git a/plugins/common/plugin/ForeignInstrument.h b/plugins/common/plugin/ForeignInstrument.h
index c48185fb..94baacf8 100644
--- a/plugins/common/plugin/ForeignInstrument.h
+++ b/plugins/common/plugin/ForeignInstrument.h
@@ -69,6 +69,8 @@ public:
  */
 class InstrumentImporter {
 public:
+    virtual ~InstrumentImporter() {}
+
     /**
      * @brief Get the format that this importer converts from
      */