diff --git a/core/models/wallets.py b/core/models/wallets.py
index 79e022d..5c8202c 100644
--- a/core/models/wallets.py
+++ b/core/models/wallets.py
@@ -202,6 +202,7 @@ class Wallet(models.Model):
                 except:
                     message = f"! {str(self.walletname)} Failed to load {jsonfile} JSON file"
                     print(message)
+                    from troggle.core.models.troggle import DataIssue
                     DataIssue.objects.update_or_create(parser="wallets", message=message, url=wurl)
                     return None
                     
@@ -233,6 +234,7 @@ class Wallet(models.Model):
                         sx = sx + ".svx"
                     if not (Path(settings.SURVEX_DATA) / sx).is_file():
                         message=f"{self} Survex file {sx} was not found in LOSER repo"
+                        from troggle.core.models.troggle import DataIssue
                         DataIssue.objects.update_or_create(parser="wallets", message=message, url=wurl)
                         # check using <kataster> field on the cave whether it has been renamed...