diff --git a/libcpu/risc-v/common/context_gcc.S b/libcpu/risc-v/common/context_gcc.S
index f28b15319b4f93907670919874d8f0163bb6dcba..5c9f05c4e88935f0fcbb8851a1e7ac0af748197d 100644
--- a/libcpu/risc-v/common/context_gcc.S
+++ b/libcpu/risc-v/common/context_gcc.S
@@ -175,7 +175,7 @@ rt_hw_context_switch_exit:
     LOAD x1,   1 * REGBYTES(sp)
 
     li    t0, 0x00001800
-    csrs  mstatus, t0
+    csrw  mstatus, t0
     LOAD a0,   2 * REGBYTES(sp)
     csrs mstatus, a0