diff --git a/include/ck_epoch.h b/include/ck_epoch.h
index f332048..241c454 100644
--- a/include/ck_epoch.h
+++ b/include/ck_epoch.h
@@ -243,8 +243,9 @@ ck_epoch_write_begin(struct ck_epoch_record *record)
 CK_CC_INLINE static void
 ck_epoch_read_begin(struct ck_epoch_record *record)
 {
-	unsigned int g_epoch = ck_pr_load_uint(&global->epoch) & (CK_EPOCH_LENGTH - 1);
+	unsigned int g_epoch = ck_pr_load_uint(&record->global->epoch);
 
+	g_epoch &= CK_EPOCH_LENGTH - 1;
 	ck_pr_store_uint(&record->epoch, g_epoch);
 	ck_pr_store_uint(&record->active, 1);
 	ck_pr_fence_store();