diff --git a/src/shared/init.cpp b/src/shared/init.cpp
index 3428b7dfbd..95c7f227c8 100644
--- a/src/shared/init.cpp
+++ b/src/shared/init.cpp
@@ -7,5 +7,5 @@ Author: Leonardo de Moura
 #include "init/init.h"
 namespace lean {
 // automatic initialization for the shared library
-// initializer g_init;
+initializer g_init;
 }