diff --git a/arch b/arch
index 0d8d0f4ead..7195b24346 160000
--- a/arch
+++ b/arch
@@ -1 +1 @@
-Subproject commit 0d8d0f4ead50917143cddbc140ca6658664d6737
+Subproject commit 7195b24346e9d4115feff64d09f406ef31966630
diff --git a/include/nuttx/arch.h b/include/nuttx/arch.h
index 28d219c368..448029f47e 100644
--- a/include/nuttx/arch.h
+++ b/include/nuttx/arch.h
@@ -1663,7 +1663,7 @@ int up_timer_start(FAR const struct timespec *ts);
  *
  * Returned Value:
  *   A pointer to TLS info structure at the beginning of the STACK memory
- *   allocation.  This is essentially an appliction of the TLS_INFO(sp)
+ *   allocation.  This is essentially an application of the TLS_INFO(sp)
  *   macro and has a platform dependency only in the manner in which the
  *   stack pointer (sp) is obtained and interpreted.
  *
diff --git a/include/nuttx/tls.h b/include/nuttx/tls.h
index b667bde786..e3477aada1 100644
--- a/include/nuttx/tls.h
+++ b/include/nuttx/tls.h
@@ -60,7 +60,7 @@
 #define TLS_STACK_ALIGN   (1L << CONFIG_TLS_LOG2_MAXSTACK)
 #define TLS_STACK_MASK    (TLS_STACK_ALIGN - 1)
 #define TLS_MAXSTACK      (TLS_STACK_ALIGN)
-#define TLS_INFO(sp)      ((FAR struct tls_info_s *)((sp) & TLS_STACK_MASK))
+#define TLS_INFO(sp)      ((FAR struct tls_info_s *)((sp) & ~TLS_STACK_MASK))
 
 /****************************************************************************
  * Public Types