diff --git a/arch/arm/src/armv7-m/up_initialstate.c b/arch/arm/src/armv7-m/up_initialstate.c
index 55d4bd315a..e7f7ef7fdb 100644
--- a/arch/arm/src/armv7-m/up_initialstate.c
+++ b/arch/arm/src/armv7-m/up_initialstate.c
@@ -157,7 +157,7 @@ void up_initial_state(struct tcb_s *tcb)
 #else /* CONFIG_SUPPRESS_INTERRUPTS */
 
 #ifdef CONFIG_ARMV7M_USEBASEPRI
-  xcp->regs[REG_BASEPRI] = NVIC_SYSH_PRIORITY_DEFAULT;
+  xcp->regs[REG_BASEPRI] = NVIC_SYSH_PRIORITY_MIN;
 #endif
 
 #endif /* CONFIG_SUPPRESS_INTERRUPTS */