diff --git a/AdcTasks.h b/AdcTasks.h
index 9ead378..ac4137e 100644
--- a/AdcTasks.h
+++ b/AdcTasks.h
@@ -80,7 +80,7 @@ typedef struct {
 
     struct {
         osThreadId_t id;
-        uint32_t stack[512];
+        uint32_t stack[256];
         StaticTask_t controlBlock;
         osThreadAttr_t attr;
     } thread;