diff --git a/tests/libs/dlopen_testlib_simple.cpp b/tests/libs/dlopen_testlib_simple.cpp
index afe54b4..06253e1 100644
--- a/tests/libs/dlopen_testlib_simple.cpp
+++ b/tests/libs/dlopen_testlib_simple.cpp
@@ -18,6 +18,6 @@
 
 uint32_t dlopen_testlib_taxicab_number = 1729;
 
-bool dlopen_testlib_simple_func() {
+extern "C" bool dlopen_testlib_simple_func() {
   return true;
 }