diff --git a/drivers/hid/hid-thingm.c b/drivers/hid/hid-thingm.c
index 31de890d14cf..134be89b15ea 100644
--- a/drivers/hid/hid-thingm.c
+++ b/drivers/hid/hid-thingm.c
@@ -31,7 +31,7 @@ struct thingm_fwinfo {
 	unsigned first;
 };
 
-const struct thingm_fwinfo thingm_fwinfo[] = {
+static const struct thingm_fwinfo thingm_fwinfo[] = {
 	{
 		.major = THINGM_MAJOR_MK1,
 		.numrgb = 1,