diff --git a/src/blackmisc/weather/metardecoder.cpp b/src/blackmisc/weather/metardecoder.cpp
index 77cab4154..19deb437d 100644
--- a/src/blackmisc/weather/metardecoder.cpp
+++ b/src/blackmisc/weather/metardecoder.cpp
@@ -48,6 +48,8 @@ namespace BlackMisc
 
         class IMetarDecoderPart
         {
+        public:
+            virtual ~IMetarDecoderPart();
         protected:
             virtual bool isRepeatable() const { return false; }
             virtual const QRegularExpression &getRegExp() const = 0;
@@ -92,6 +94,9 @@ namespace BlackMisc
             }
         };
 
+        IMetarDecoderPart::~IMetarDecoderPart()
+        { }
+
         class CMetarDecoderReportType : public IMetarDecoderPart
         {
         protected: