diff --git a/passes/cmds/show.cc b/passes/cmds/show.cc
index 35aa410e4..43deba47b 100644
--- a/passes/cmds/show.cc
+++ b/passes/cmds/show.cc
@@ -191,7 +191,12 @@ struct ShowWorker
 
 		std::string str;
 		for (char ch : id) {
-			if (ch == '\\' || ch == '"')
+			if (ch == '\\') {
+				 // new graphviz have bug with escaping '\'
+				str += "╲";
+				continue;
+			}
+			if (ch == '"')
 				str += "\\";
 			str += ch;
 		}