diff --git a/tests/wrappers_c_test.cpp b/tests/wrappers_c_test.cpp
index e01ac38..e8872a1 100644
--- a/tests/wrappers_c_test.cpp
+++ b/tests/wrappers_c_test.cpp
@@ -42,8 +42,19 @@
   EXPECT_NE(P, nullptr);
   EXPECT_LE(Size, malloc_usable_size(P));
   EXPECT_EQ(reinterpret_cast<uintptr_t>(P) % FIRST_32_SECOND_64(8U, 16U), 0U);
+
+  // An update to this warning in Clang now triggers in this line, but it's ok
+  // because the check is expecting a bad pointer and should fail.
+#if defined(__has_warning) && __has_warning("-Wfree-nonheap-object")
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wfree-nonheap-object"
+#endif
   EXPECT_DEATH(
       free(reinterpret_cast<void *>(reinterpret_cast<uintptr_t>(P) | 1U)), "");
+#if defined(__has_warning) && __has_warning("-Wfree-nonheap-object")
+#pragma GCC diagnostic pop
+#endif
+
   free(P);
   EXPECT_DEATH(free(P), "");