diff --git a/target/s390x/cpu_features.h b/target/s390x/cpu_features.h
index e306aa7ab2..968b12fdfe 100644
--- a/target/s390x/cpu_features.h
+++ b/target/s390x/cpu_features.h
@@ -78,6 +78,7 @@ typedef enum {
     S390_FEAT_GROUP_MSA_EXT_6,
     S390_FEAT_GROUP_MSA_EXT_7,
     S390_FEAT_GROUP_MSA_EXT_8,
+    S390_FEAT_GROUP_MULTIPLE_EPOCH_PTFF,
     S390_FEAT_GROUP_MAX,
 } S390FeatGroup;