diff --git a/src/log.py b/src/log.py
index 3b172c081..c4e7ada01 100755
--- a/src/log.py
+++ b/src/log.py
@@ -180,7 +180,7 @@ def log_show(
         logs = list(log_list()["operation"])
 
         if position > len(logs):
-            raise YunohostValidationError(f"There isn't that many logs", raw_msg=True)
+            raise YunohostValidationError("There isn't that many logs", raw_msg=True)
 
         path = logs[-position]["path"]