diff --git a/telegram_export/dumper.py b/telegram_export/dumper.py
index be81efe..17c4812 100755
--- a/telegram_export/dumper.py
+++ b/telegram_export/dumper.py
@@ -224,7 +224,7 @@ def __init__(self, config):
 
             c.execute("CREATE TABLE ResumeMedia("
                       "MediaID INT NOT NULL,"
-                      "ContextID TEXT NOT NULL,"
+                      "ContextID INT NOT NULL,"
                       "SenderID INT,"
                       "Date INT,"
                       "PRIMARY KEY (MediaID)) WITHOUT ROWID")