diff --git a/pysollib/ui/tktile/svg.py b/pysollib/ui/tktile/svg.py
index 6761fb87..2e6061aa 100644
--- a/pysollib/ui/tktile/svg.py
+++ b/pysollib/ui/tktile/svg.py
@@ -12,7 +12,7 @@ try:
     from PySide2.QtGui import QPixmap  # noqa: F401
     from PySolFC_KCard import MyKCardDeck
 except BaseException:
-    def MyKCardDeck():
+    def MyKCardDeck(theme):
         return None
 
 # import cairo