diff --git a/src/eldap/eldap_filter.erl b/src/eldap/eldap_filter.erl
index f8f20bea4..e78ee7e4b 100644
--- a/src/eldap/eldap_filter.erl
+++ b/src/eldap/eldap_filter.erl
@@ -181,5 +181,6 @@ do_sub(S, {RegExp, New, Times}, Iter) ->
 replace_amps(String) ->
     lists:flatmap(
       fun($&) -> "\\&";
+         ($\\) -> "\\\\";
 	 (Chr) -> [Chr]
       end, String).