diff --git a/src/config/ParseConfig.cpp b/src/config/ParseConfig.cpp
index de287e5b..0a082506 100644
--- a/src/config/ParseConfig.cpp
+++ b/src/config/ParseConfig.cpp
@@ -193,6 +193,7 @@ Config ParseConfig::operator()(std::istream& is,
   // register common logical keys
   add_logical_key("Shift", Key::ShiftLeft, Key::ShiftRight);
   add_logical_key("Control", Key::ControlLeft, Key::ControlRight);
+  add_logical_key("Alt", Key::AltLeft, Key::AltRight);
   add_logical_key("Meta", Key::MetaLeft, Key::MetaRight);
   
   parse_file(is);
diff --git a/src/config/get_key_name.cpp b/src/config/get_key_name.cpp
index ba2e9d33..51f8b9ee 100644
--- a/src/config/get_key_name.cpp
+++ b/src/config/get_key_name.cpp
@@ -218,6 +218,7 @@ const char* get_key_name(const Key& key) {
     case Key::first_action:
     case Key::last_action:
     case Key::Control:
+    case Key::Alt:
     case Key::Meta:
       break;
   }
@@ -287,6 +288,8 @@ Key get_key_by_name(std::string_view name) {
     return Key::Shift;
   if (name == "Control")
     return Key::Control;
+  if (name == "Alt")
+    return Key::Alt;
   if (name == "Meta")
     return Key::Meta;
 
diff --git a/src/runtime/Key.h b/src/runtime/Key.h
index 61625d7a..fa9cadbf 100644
--- a/src/runtime/Key.h
+++ b/src/runtime/Key.h
@@ -479,7 +479,8 @@ enum class Key : uint16_t {
 
   Shift              = first_logical,
   Control            = first_logical + 1,
-  Meta               = first_logical + 2,
+  Alt                = first_logical + 2,
+  Meta               = first_logical + 3,
 };
 
 constexpr uint16_t operator*(Key key) { return static_cast<uint16_t>(key); }