1 files changed, 3 insertions, 1 deletions
diff --git a/source/extensions.cpp b/source/extensions.cpp
index 049a3ad10..ebf6bec06 100644
--- a/source/extensions.cpp
+++ b/source/extensions.cpp
@@ -24,7 +24,9 @@
 namespace spvtools {
 
 std::string GetExtensionString(const spv_parsed_instruction_t* inst) {
-  if (inst->opcode != SpvOpExtension) return "ERROR_not_op_extension";
+  if (inst->opcode != static_cast<uint16_t>(spv::Op::OpExtension)) {
+    return "ERROR_not_op_extension";
+  }
 
   assert(inst->num_operands == 1);