diff --git a/piker/brokers/kraken.py b/piker/brokers/kraken.py
index 1ed9e3c7..6d41ab10 100644
--- a/piker/brokers/kraken.py
+++ b/piker/brokers/kraken.py
@@ -175,7 +175,7 @@ class Client:
         err = resp['error']
         if err:
             symbolname = pairs['pair'] if pair else None
-            raise SymbolNotFound(f'kraken: {symbolname}')
+            raise SymbolNotFound(f'{symbolname}.kraken')
 
         pairs = resp['result']