diff --git a/MainModesArbiter.h b/MainModesArbiter.h
index 427d0fe..b926f05 100644
--- a/MainModesArbiter.h
+++ b/MainModesArbiter.h
@@ -55,7 +55,7 @@ typedef struct {
 
     struct {
         osThreadId_t id;
-        uint32_t stack[2048 * 1];
+        uint32_t stack[1024 * 1];
         StaticTask_t controlBlock;
         osThreadAttr_t attr;
     } thread;