diff --git a/Descriptor.h b/Descriptor.h
index b8efce2..d80f331 100644
--- a/Descriptor.h
+++ b/Descriptor.h
@@ -371,6 +371,7 @@ public:
 				converted[k] = sum;
 			}
 		}
+		delete img;
 		return converted;
 	}
 };