diff --git a/core/object/object.cpp b/core/object/object.cpp
index 10bd258b707..5f091201a75 100644
--- a/core/object/object.cpp
+++ b/core/object/object.cpp
@@ -1362,14 +1362,18 @@ Error Object::emit_signalp(const StringName &p_name, const Variant **p_args, int
 			_emitting = false;
 
 			if (ce.error != Callable::CallError::CALL_OK) {
+				Object *target = callable.get_object();
 #ifdef DEBUG_ENABLED
-				if (flags & CONNECT_PERSIST && Engine::get_singleton()->is_editor_hint() && (!script_instance || !script_instance->get_script()->is_tool())) {
-					continue;
+				if (target && flags & CONNECT_PERSIST && Engine::get_singleton()->is_editor_hint()) {
+					Ref<Script> other_scr = target->get_script();
+					if (other_scr.is_valid() && !other_scr->is_tool()) {
+						// Trying to call not-tool method in editor, just ignore it.
+						continue;
+					}
 				}
 #endif
-				Object *target = callable.get_object();
 				if (ce.error == Callable::CallError::CALL_ERROR_INVALID_METHOD && target && !ClassDB::class_exists(target->get_class_name())) {
-					//most likely object is not initialized yet, do not throw error.
+					// Most likely object is not initialized yet, do not throw error.
 				} else {
 					ERR_PRINT(vformat("Error calling from signal '%s' to callable: %s.", String(p_name), Variant::get_callable_error_text(callable, args, argc, ce)));
 					err = ERR_METHOD_NOT_FOUND;