diff --git a/visidatarc b/visidatarc
index 8d62b80..861f787 100644
--- a/visidatarc
+++ b/visidatarc
@@ -63,9 +63,10 @@ def sym_time(val):
 def vendor(mac):
     try:
         from mac_vendor_lookup import InvalidMacError, MacLookup as mlu
-        return mlu().lookup(mac.strip())
-    except InvalidMacError:
-        return f"not a MAC {str(mac).strip()} of type {type(mac)}"
+        try:
+            return mlu().lookup(mac.strip())
+        except InvalidMacError:
+            return f"not a MAC {str(mac).strip()} of type {type(mac)}"
     except ModuleNotFoundError:
         return "module not available"