diff --git a/db.py b/db.py
index 377194f..0b7ae9d 100644
--- a/db.py
+++ b/db.py
@@ -18,7 +18,12 @@ class DataBase():
 
     def execute(self, query, args=(), one=False, commit=False):
         cur = self.conn.cursor(cursor_factory=RealDictCursor)
-        cur.execute(query, args)
+        try:
+            cur.execute(query, args)
+        except:
+            self.conn.rollback()
+            raise Exception('Rolling back transaction...')
+
         rv = None
         if cur.description is not None:
             rv = cur.fetchall()