diff --git a/src/tests/kits/net/new_stack/userland_modules.cpp b/src/tests/kits/net/new_stack/userland_modules.cpp
index 8fbd58643f..601ac6ac9c 100644
--- a/src/tests/kits/net/new_stack/userland_modules.cpp
+++ b/src/tests/kits/net/new_stack/userland_modules.cpp
@@ -86,6 +86,8 @@ static int32 g_next_module_id = 1;
 // Public routines
 // ---------------
 
+extern "C" {
+
 _EXPORT status_t get_module(const char * name, module_info ** mi)
 {
 	status_t status;
@@ -398,6 +400,8 @@ _EXPORT thread_id spawn_kernel_thread(thread_entry func, const char *name, long
 	return spawn_thread(func, name, priority, arg);
 }
 
+}  // extern "C"
+
 
 // #pragma mark -
 // Private routines