diff --git a/drivers/acpi/acpica/acconfig.h b/drivers/acpi/acpica/acconfig.h
index bc533dde16c47785d2c0321a173039eeede4e69b..f895a244ca7ea187588356475e6ca4d700804b52 100644
--- a/drivers/acpi/acpica/acconfig.h
+++ b/drivers/acpi/acpica/acconfig.h
@@ -121,7 +121,7 @@
 
 /* Maximum sleep allowed via Sleep() operator */
 
-#define ACPI_MAX_SLEEP                  20000	/* Two seconds */
+#define ACPI_MAX_SLEEP                  2000	/* Two seconds */
 
 /******************************************************************************
  *