diff --git a/driver/mtrack.c b/driver/mtrack.c
index 3b785a6..5d1f2a3 100644
--- a/driver/mtrack.c
+++ b/driver/mtrack.c
@@ -348,4 +348,4 @@ static pointer setup(pointer module, pointer options, int *errmaj, int *errmin)
 	return module;
 }
 
-XF86ModuleData mtrackModuleData = {&VERSION, &setup, NULL };
+_X_EXPORT XF86ModuleData mtrackModuleData = {&VERSION, &setup, NULL };