diff --git a/loopy/kernel/instruction.py b/loopy/kernel/instruction.py
index a67b4256626fff3d7a77af63f72eab0460aa327b..3221535ae5b25fa117035ed1f8fca7a808bcc213 100644
--- a/loopy/kernel/instruction.py
+++ b/loopy/kernel/instruction.py
@@ -945,7 +945,7 @@ class CallInstruction(MultiAssignmentBase):
                 assignees=f(self.assignees, *args),
                 expression=f(self.expression, *args),
                 predicates=frozenset(
-                    f(pred) for pred in self.predicates))
+                    f(pred, *args) for pred in self.predicates))
 
     # }}}