diff --git a/configs/config-uIEC b/configs/config-uIEC
index 0209ad57..542ff837 100644
--- a/configs/config-uIEC
+++ b/configs/config-uIEC
@@ -56,7 +56,7 @@ CONFIG_SD_AUTO_RETRIES=10
 CONFIG_SD_DATACRC=y
 CONFIG_ERROR_BUFFER_SIZE=100
 CONFIG_COMMAND_BUFFER_SIZE=254
-CONFIG_BUFFER_COUNT=15
+CONFIG_BUFFER_COUNT=12
 CONFIG_MAX_PARTITIONS=20
 CONFIG_RTC_SOFTWARE=y
 CONFIG_ADD_ATA=1
diff --git a/configs/config-uIEC3 b/configs/config-uIEC3
index d9fdd0e5..588da469 100644
--- a/configs/config-uIEC3
+++ b/configs/config-uIEC3
@@ -57,7 +57,7 @@ CONFIG_SD_AUTO_RETRIES=10
 CONFIG_SD_DATACRC=y
 CONFIG_ERROR_BUFFER_SIZE=100
 CONFIG_COMMAND_BUFFER_SIZE=254
-CONFIG_BUFFER_COUNT=15
+CONFIG_BUFFER_COUNT=6
 CONFIG_MAX_PARTITIONS=20
 CONFIG_RTC_SOFTWARE=y
 CONFIG_HAVE_IEC=y