diff --git a/modules/usrloc/ul_mi.c b/modules/usrloc/ul_mi.c
index 561b3876051..3e158d67aec 100644
--- a/modules/usrloc/ul_mi.c
+++ b/modules/usrloc/ul_mi.c
@@ -34,6 +34,7 @@
 #include "../../ut.h"
 #include "../../qvalue.h"
 #include "../../ip_addr.h"
+#include "../../dset.h"
 #include "ul_mi.h"
 #include "dlist.h"
 #include "udomain.h"
@@ -111,7 +112,8 @@ static inline int mi_fix_aor(str *aor)
 		if (p)
 			aor->len = p - aor->s;
 	}
-	strlower(aor);
+	if(!get_aor_case_sensitive())
+		strlower(aor);
 
 	return 0;
 }