diff --git a/boards.txt b/boards.txt
index 9c0380715..fa14a1e92 100644
--- a/boards.txt
+++ b/boards.txt
@@ -22051,7 +22051,7 @@ m5stack_stamp_s3.build.flash_freq=80m
 m5stack_stamp_s3.build.flash_mode=dio
 m5stack_stamp_s3.build.boot=qio
 m5stack_stamp_s3.build.boot_freq=80m
-m5stack_stamp_s3.build.partitions=default
+m5stack_stamp_s3.build.partitions=default_8MB
 m5stack_stamp_s3.build.defines=
 m5stack_stamp_s3.build.loop_core=
 m5stack_stamp_s3.build.event_core=
@@ -22771,7 +22771,7 @@ m5stack_dial.build.flash_freq=80m
 m5stack_dial.build.flash_mode=dio
 m5stack_dial.build.boot=qio
 m5stack_dial.build.boot_freq=80m
-m5stack_dial.build.partitions=default
+m5stack_dial.build.partitions=default_8MB
 m5stack_dial.build.defines=
 m5stack_dial.build.loop_core=
 m5stack_dial.build.event_core=