diff --git a/servers/slapd/back-mdb/back-mdb.h b/servers/slapd/back-mdb/back-mdb.h
index 5152142177..c13e87ee9d 100644
--- a/servers/slapd/back-mdb/back-mdb.h
+++ b/servers/slapd/back-mdb/back-mdb.h
@@ -19,7 +19,7 @@
 
 #include <portable.h>
 #include "slap.h"
-#include "mdb.h"
+#include "lmdb.h"
 
 LDAP_BEGIN_DECL