diff --git a/firmware/thread.h b/firmware/thread.h
index c0eba42597..7940ddfcf6 100644
--- a/firmware/thread.h
+++ b/firmware/thread.h
@@ -20,7 +20,7 @@
 #define THREAD_H
 
 #define MAXTHREADS	16
-#define DEFAULT_STACK_SIZE 0x800 /* Bytes */
+#define DEFAULT_STACK_SIZE 0x400 /* Bytes */
 
 int create_thread(void* function, void* stack, int stack_size, char *name);
 void switch_thread(void);