diff --git a/arch/risc-v/src/mpfs/mpfs_head.S b/arch/risc-v/src/mpfs/mpfs_head.S
index c3591a6f3d..fe851b73dc 100755
--- a/arch/risc-v/src/mpfs/mpfs_head.S
+++ b/arch/risc-v/src/mpfs/mpfs_head.S
@@ -192,6 +192,10 @@ __start:
 
 .continue_boot:
 
+    /* Clear PMP */
+
+    csrw pmpcfg0, zero
+    csrw pmpcfg2, zero
 #endif
 
   /* Set stack pointer to the idle thread stack */