diff --git a/insertLoading.py b/insertLoading.py
index 15b40c8..c8a442d 100644
--- a/insertLoading.py
+++ b/insertLoading.py
@@ -17,15 +17,18 @@ except:
 	exit(0)
 
 
+try:
+	db = sqlite3.connect(db_file)
+	cursor = db.cursor()
+	print("Connected to SQLite")
+except:
+	print("Failed to connect to DB")
+
 ##
 ### auf neue Files überwachen
 def main():
-	global cursor
+	global db, cursor
 	try:
-		db = sqlite3.connect(db_file)
-		cursor = db.cursor()
-		print("Connected to SQLite")
-		
 		updateLast()
 		db.commit()
 		print("Data updated successfully into bike_loading table")
@@ -44,7 +47,7 @@ def main():
 
 
 def updateLast():
-	global cursor, watt
+	global db, cursor, watt
 	
 	## hole letztes Ladungs-Datum
 	sql = '''
@@ -90,7 +93,7 @@ def updateLast():
 
 	
 def insertNew():
-	global cursor, loading
+	global db, cursor, loading
 	
 	date = datetime.today().strftime('%Y-%m-%d %H:%M:%S')
 	data = (date, loading)