diff --git a/config_rvboards_d1 b/config_rvboards_d1
index 7e7f47381..bc16d8908 100644
--- a/config_rvboards_d1
+++ b/config_rvboards_d1
@@ -87,7 +87,7 @@ CONFIG_RCU_NEED_SEGCBLIST=y
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
 # CONFIG_IKHEADERS is not set
-CONFIG_LOG_BUF_SHIFT=14
+CONFIG_LOG_BUF_SHIFT=15
 CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=13
 CONFIG_GENERIC_SCHED_CLOCK=y