diff --git a/src/eldap/eldap_filter.erl b/src/eldap/eldap_filter.erl
index cc0c697f6..3a84e17ab 100644
--- a/src/eldap/eldap_filter.erl
+++ b/src/eldap/eldap_filter.erl
@@ -185,5 +185,6 @@ replace_amps(Bin) ->
     list_to_binary(
       lists:flatmap(
         fun($&) -> "\\&";
+           ($\\) -> "\\\\";
            (Chr) -> [Chr]
         end, binary_to_list(Bin))).