diff --git a/ports/zephyr/prj_base.conf b/ports/zephyr/prj_base.conf
index 58c65f14de..3858c0a024 100644
--- a/ports/zephyr/prj_base.conf
+++ b/ports/zephyr/prj_base.conf
@@ -12,7 +12,7 @@ CONFIG_CONSOLE_PUTCHAR_BUFSIZE=128
 
 CONFIG_NEWLIB_LIBC=y
 CONFIG_FLOAT=y
-CONFIG_MAIN_STACK_SIZE=4096
+CONFIG_MAIN_STACK_SIZE=4736
 
 # Networking config
 CONFIG_NETWORKING=y