diff --git a/drivers/acpi/sysfs.c b/drivers/acpi/sysfs.c
index 6dbc3ca..3e0b54f 100644
--- a/drivers/acpi/sysfs.c
+++ b/drivers/acpi/sysfs.c
@@ -226,7 +226,7 @@
 /* /sys/modules/acpi/parameters/aml_debug_output */
 
 module_param_named(aml_debug_output, acpi_gbl_enable_aml_debug_object,
-		   bool, 0644);
+		   byte, 0644);
 MODULE_PARM_DESC(aml_debug_output,
 		 "To enable/disable the ACPI Debug Object output.");