diff --git a/test/vmtester/tests.cpp b/test/vmtester/tests.cpp
index 75f6d0a..178afc2 100644
--- a/test/vmtester/tests.cpp
+++ b/test/vmtester/tests.cpp
@@ -63,9 +63,9 @@ TEST_F(evmc_vm_test, version)
 
 TEST_F(evmc_vm_test, set_tracer)
 {
-    static constexpr auto tracer_callback = [](evmc_tracer_context*, size_t, evmc_status_code,
-                                               int64_t, size_t, const evmc_uint256be*, size_t,
-                                               size_t, size_t, const uint8_t*) noexcept {};
+    static const auto tracer_callback = [](evmc_tracer_context*, size_t, evmc_status_code, int64_t,
+                                           size_t, const evmc_uint256be*, size_t, size_t, size_t,
+                                           const uint8_t*) noexcept {};
     if (vm->set_tracer)
         vm->set_tracer(vm, tracer_callback, nullptr);
 }