diff --git a/freqtrade/enums/marginmode.py b/freqtrade/enums/marginmode.py
index 9aa814c39..f1a4a3a17 100644
--- a/freqtrade/enums/marginmode.py
+++ b/freqtrade/enums/marginmode.py
@@ -13,4 +13,4 @@ class MarginMode(str, Enum):
     NONE = ""
 
     def __str__(self):
-        return f"{self.name.lower()}"
+        return f"{self.value.lower()}"