1 files changed, 1 insertions, 0 deletions
diff --git a/src/formula.h b/src/formula.h
index 9edd583..8f38433 100644
--- a/src/formula.h
+++ b/src/formula.h
@@ -52,6 +52,7 @@ class FormulaDict : public QDict<Formula>
   public:
     FormulaDict(uint size) : 
       QDict<Formula>(size) {}
+   ~FormulaDict() {}
 };
 
 #endif