diff --git a/src/commands/CmdInstall.cpp b/src/commands/CmdInstall.cpp
index 2a17e22e6..a143a8230 100644
--- a/src/commands/CmdInstall.cpp
+++ b/src/commands/CmdInstall.cpp
@@ -40,6 +40,7 @@ CmdInstall::CmdInstall ()
   _description = STRING_CMD_INSTALL_USAGE;
   _read_only   = true;
   _displays_id = false;
+  _category    = Command::Category::UNDOCUMENTED;
 }
 
 ////////////////////////////////////////////////////////////////////////////////
diff --git a/src/commands/Command.cpp b/src/commands/Command.cpp
index f9af27f37..cf608d461 100644
--- a/src/commands/Command.cpp
+++ b/src/commands/Command.cpp
@@ -206,6 +206,7 @@ const std::map <Command::Category, std::string> Command::categoryNames =
   ,{Command::Category::migration,    "migration"}
   ,{Command::Category::misc,         "misc"     }
   ,{Command::Category::internal,     "internal"}
+  ,{Command::Category::UNDOCUMENTED, "undocumented"}
 };
  
 ////////////////////////////////////////////////////////////////////////////////
diff --git a/src/commands/Command.h b/src/commands/Command.h
index c81cdf712..1c2b19b36 100644
--- a/src/commands/Command.h
+++ b/src/commands/Command.h
@@ -58,6 +58,7 @@ public:
     migration,
     misc,
     internal,
+    UNDOCUMENTED,
     // Whenever you extend this enum, update categoryNames.
   };
   Category _category;