diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig
index cff7cc2..0b11b41 100644
--- a/drivers/platform/x86/Kconfig
+++ b/drivers/platform/x86/Kconfig
@@ -478,6 +478,7 @@
 	tristate "Topstar Laptop Extras"
 	depends on ACPI
 	depends on INPUT
+	select INPUT_SPARSEKMAP
 	---help---
 	  This driver adds support for hotkeys found on Topstar laptops.