diff --git a/articles/20230427-tinyemu-exception.md b/articles/20230427-tinyemu-exception.md
index 76f395df5dcb75c959e16f3547a95d280cc2d6ea..f45359cbca2138a5c1033903afffd2f7516dc7e7 100644
--- a/articles/20230427-tinyemu-exception.md
+++ b/articles/20230427-tinyemu-exception.md
@@ -166,7 +166,7 @@ void trap_handler(DECODER *decoder, enum TRAP traptype, bool isException, uint64
         return;
     }
     enum CPU_PRI_LEVEL nxt_level = M;
-    if (cpu.pri_level == S) {
+    if (cpu.pri_level <= S) {
         if ((isException && (get_csr(medeleg) & (1 << cause)))
             || (!isException && (get_csr(mideleg) & (1 << cause)))) {   
             nxt_level = S;