--- libgig/trunk/src/gig.cpp	2009/03/26 13:32:59	1875
+++ libgig/trunk/src/gig.cpp	2009/07/29 08:57:46	1950
@@ -3036,6 +3036,9 @@
     }
 
     Instrument::~Instrument() {
+        for (int i = 0 ; pMidiRules[i] ; i++) {
+            delete pMidiRules[i];
+        }
         delete[] pMidiRules;
     }