diff --git a/core/models/wallets.py b/core/models/wallets.py
index 1bff911..e0f4b00 100644
--- a/core/models/wallets.py
+++ b/core/models/wallets.py
@@ -52,7 +52,8 @@ def make_valid_date(date):
                 print(f"! - Fail, tried to decompose date in yyyy-mm-d or yyy-m-dd format but failed: {datestr=}  ")
                 return None
 
-        print(f"! - Failed to understand date, none of our tricks worked {datestr=}  ")
+        if datestr: # might have been None
+            print(f"! - Failed to understand date, none of our tricks worked {datestr=}  ")
         return None
 
 class Wallet(models.Model):