diff --git a/src/org/april/hebdobot/model/review/Review.java b/src/org/april/hebdobot/model/review/Review.java
index 5c67612..1d80401 100644
--- a/src/org/april/hebdobot/model/review/Review.java
+++ b/src/org/april/hebdobot/model/review/Review.java
@@ -158,7 +158,7 @@ public class Review
     {
         long result;
 
-        result = getDuration() / 60;
+        result = (long) Math.ceil(getDuration() / 60.0);
 
         //
         return result;