diff -r 66e7a3131fe3 -r fcdfd3251892 src/Pure/System/isabelle_system.ML
--- a/src/Pure/System/isabelle_system.ML	Tue Sep 19 13:02:48 2023 +0200
+++ b/src/Pure/System/isabelle_system.ML	Tue Sep 19 13:12:13 2023 +0200
@@ -68,7 +68,7 @@
               if head = Bash.server_uuid andalso length args = 1 then
                 loop (SOME (hd args)) s
               else if head = Bash.server_interrupt andalso null args then
-                raise Exn.Interrupt
+                Exn.interrupt ()
               else if head = Bash.server_failure andalso length args = 1 then
                 raise Fail (hd args)
               else if head = Bash.server_result andalso length args >= 4 then