1 files changed, 2 insertions, 2 deletions
diff --git a/os/common/ports/ARMCMx/compilers/IAR/chcoreasm_v7m.s b/os/common/ports/ARMCMx/compilers/IAR/chcoreasm_v7m.s
index b0de85ce1..6385ac514 100644
--- a/os/common/ports/ARMCMx/compilers/IAR/chcoreasm_v7m.s
+++ b/os/common/ports/ARMCMx/compilers/IAR/chcoreasm_v7m.s
@@ -64,7 +64,7 @@ ICSR_PENDSVSET  SET 0x10000000
                 EXTERN  chThdExit
                 EXTERN  chSysHalt
                 EXTERN  chSchDoReschedule
-#if CH_DBG_ENABLE_STACK_CHECK || PORT_ENABLE_GUARD_PAGES
+#if CH_DBG_ENABLE_STACK_CHECK && PORT_ENABLE_GUARD_PAGES
                 EXTERN  _port_set_region
 #endif
 #if CH_DBG_STATISTICS
@@ -110,7 +110,7 @@ _port_switch:
  */
                 PUBLIC  _port_thread_start
 _port_thread_start:
-#if CH_DBG_ENABLE_STACK_CHECK || PORT_ENABLE_GUARD_PAGES
+#if CH_DBG_ENABLE_STACK_CHECK && PORT_ENABLE_GUARD_PAGES
                 bl      _port_set_region
 #endif
 #if CH_DBG_SYSTEM_STATE_CHECK