diff --git a/src/support/lstrings.cpp b/src/support/lstrings.cpp
index f4aba23c0a..012dc21635 100644
--- a/src/support/lstrings.cpp
+++ b/src/support/lstrings.cpp
@@ -1179,7 +1179,8 @@ docstring const escape(docstring const & lab)
 	for (size_t i = 0; i < lab.length(); ++i) {
 		char_type c = lab[i];
 		if (c >= 128 || c == '=' || c == '%' || c == '#' || c == '$'
-		    || c == '}' || c == '{' || c == ']' || c == '[' || c == '&') {
+		    || c == '}' || c == '{' || c == ']' || c == '[' || c == '&'
+		    || c == '\\') {
 			// Although char_type is a 32 bit type we know that
 			// UCS4 occupies only 21 bits, so we don't need to
 			// encode bigger values. Test for 2^24 because we
diff --git a/status.22x b/status.22x
index 65872abe21..7fd3b2a099 100644
--- a/status.22x
+++ b/status.22x
@@ -125,6 +125,8 @@ What's new
 - Protect citation arguments (pre and post text) which contain brackets
   (part of bug 2751).
 
+- Handle backslash in label and ref insets (bug 4595).
+
 
 * LYX2LYX