diff --git a/passes/cmds/check.cc b/passes/cmds/check.cc
index 07d02b492..99e81c549 100644
--- a/passes/cmds/check.cc
+++ b/passes/cmds/check.cc
@@ -86,6 +86,8 @@ struct CheckPass : public Pass {
 		bool force_detailed_loop_check = false;
 		bool suggest_detail = false;
 		Mode mode = Mode::Smart;
+		if (design->scratchpad_get_bool("check.permissive"))
+			mode = Mode::Permissive;
 		// log_error always terminates and it's a huge hassle to refactor
 		std::vector<std::string> errors;
 		std::function<void(std::string)> bad = [&errors, &counter](std::string message) {
diff --git a/tests/various/dynamic_part_select.ys b/tests/various/dynamic_part_select.ys
index 9e303b9db..3037fdfdc 100644
--- a/tests/various/dynamic_part_select.ys
+++ b/tests/various/dynamic_part_select.ys
@@ -142,6 +142,7 @@ design -copy-from gate -as gate gate
 miter -equiv -make_assert -make_outcmp -flatten gold gate equiv
 sat -prove-asserts -show-public -verify -set-init-zero equiv
 
+scratchpad -set check.permissive true
 ###
 ## Part select with obvious latch, expected to fail due comparison with old shift&mask AST transformation    
 design -reset