diff --git a/common/feat_detect.c b/common/feat_detect.c
index 1582b9d..98b420a 100644
--- a/common/feat_detect.c
+++ b/common/feat_detect.c
@@ -228,6 +228,10 @@
 	/* v9.2 features */
 	check_feature(ENABLE_SME_FOR_NS, read_feat_sme_id_field(),
 		      "SME", 1, 2);
+
+	/* v9.4 features */
+	check_feature(ENABLE_FEAT_GCS, read_feat_gcs_id_field(), "GCS", 1, 1);
+
 	read_feat_rme();
 
 	if (tainted) {