diff --git a/README.md b/README.md
index b2de39a..acf79b8 100644
--- a/README.md
+++ b/README.md
@@ -193,6 +193,7 @@ mpv.net bugs and requests: <https://github.com/stax76/mpv.net/issues>
 ### 3.6 (2019-??-??)
 
 - playing files from rar archives caused an exception
+- there was a bug that caused underscores beeing removed from input like MBTN_LEFT_DBL
 
 ### 3.5 (2019-05-09)
 
diff --git a/mpv.net/Misc.cs b/mpv.net/Misc.cs
index 4673e91..dfd920d 100644
--- a/mpv.net/Misc.cs
+++ b/mpv.net/Misc.cs
@@ -210,14 +210,14 @@ namespace mpvnet
                     if (val.StartsWith("#")) continue;
                     if (!val.Contains(" ")) continue;
                     CommandItem item = new CommandItem();
-                    item.Input = val.Substring(0, val.IndexOf(" ")).Replace("_", "");
+                    item.Input = val.Substring(0, val.IndexOf(" "));
+                    if (item.Input == "_") item.Input = "";
                     val = val.Substring(val.IndexOf(" ") + 1);
 
                     if (val.Contains("#menu:"))
                     {
                         item.Path = val.Substring(val.IndexOf("#menu:") + 6).Trim();
                         val = val.Substring(0, val.IndexOf("#menu:"));
-
                         if (item.Path.Contains(";"))
                             item.Path = item.Path.Substring(item.Path.IndexOf(";") + 1).Trim();
                     }