diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index 5c3c02d5..8ce1c6b 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -1748,6 +1748,10 @@
 		}
 	}
 
+	if (itrace_synth_opts.callchain &&
+	    itrace_synth_opts.callchain_sz > scripting_max_stack)
+		scripting_max_stack = itrace_synth_opts.callchain_sz;
+
 	/* make sure PERF_EXEC_PATH is set for scripts */
 	perf_set_argv_exec_path(perf_exec_path());