diff --git a/vm/analysis/CodeVerify.cpp b/vm/analysis/CodeVerify.cpp
index 1149307..6016fd1 100644
--- a/vm/analysis/CodeVerify.cpp
+++ b/vm/analysis/CodeVerify.cpp
@@ -3797,7 +3797,7 @@
             if (instr == kPackedSwitchSignature ||
                 instr == kSparseSwitchSignature ||
                 instr == kArrayDataSignature ||
-                (instr == OP_NOP &&
+                (instr == OP_NOP && (insnIdx + 1 < insnsSize) &&
                  (meth->insns[insnIdx+1] == kPackedSwitchSignature ||
                   meth->insns[insnIdx+1] == kSparseSwitchSignature ||
                   meth->insns[insnIdx+1] == kArrayDataSignature)))