diff --git a/VarsTabDumpObserver.h b/VarsTabDumpObserver.h
index 4b66f78..402f7e3 100644
--- a/VarsTabDumpObserver.h
+++ b/VarsTabDumpObserver.h
@@ -28,7 +28,7 @@ typedef struct {
 
     struct {
         osThreadId_t id;
-        uint32_t stack[256];
+        uint32_t stack[384];
         StaticTask_t controlBlock;
         osThreadAttr_t attr;
     } thread;