diff --git a/src/thread/thread.c b/src/thread/thread.c
index b2192a7..d365be6 100644
--- a/src/thread/thread.c
+++ b/src/thread/thread.c
@@ -21,7 +21,7 @@
 #define WAITED (1 << 3)
 #define MUTEX_WAITING (1 << 4)
 #define MUTEX_LOCKING (1 << 5)
-#define MUTEX_MAXPRIO 5
+#define MUTEX_MAXPRIO 2
 #define IS_WAITED(entry) (HAS_STATUS(entry, WAITED))
 #define IS_MUTEX_WAITING(entry) (HAS_STATUS(entry, MUTEX_WAITING))