diff --git a/src/caosdb/apiutils.py b/src/caosdb/apiutils.py
index 9192289a0b6518a2d6ec3abcdeca9d1d2c063d6d..b3d5df698baceacf671c5171430dfa48b3c881b5 100644
--- a/src/caosdb/apiutils.py
+++ b/src/caosdb/apiutils.py
@@ -517,9 +517,9 @@ def getOriginUrlIn(folder):
     with open(t.name, "r") as t:
         urlString = "Fetch URL:"
 
-        for l in t.readlines():
-            if urlString in l:
-                return l[l.find(urlString) + len(urlString):].strip()
+        for line in t.readlines():
+            if urlString in line:
+                return line[line.find(urlString) + len(urlString):].strip()
 
     return None