diff --git a/src/drivers/intel/fsp2_0/fsp_timestamp.c b/src/drivers/intel/fsp2_0/fsp_timestamp.c
index 81272564cf..c3ad331218 100644
--- a/src/drivers/intel/fsp2_0/fsp_timestamp.c
+++ b/src/drivers/intel/fsp2_0/fsp_timestamp.c
@@ -28,7 +28,7 @@ struct generic_event_record {
 	uint32_t		apic_id;
 	uint64_t		timestamp;
 	uint8_t			guid[16];
-	uint8_t			string[0];
+	uint8_t			string[];
 } __packed;
 
 /*