diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index d713f769b72d..e2cfc9e078e9 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -92,7 +92,7 @@ static struct acpi_driver acpi_ec_driver = {
 };
 
 /* If we find an EC via the ECDT, we need to keep a ptr to its context */
-struct acpi_ec {
+static struct acpi_ec {
 	acpi_handle handle;
 	unsigned long uid;
 	unsigned long gpe;