diff --git a/kls/src/lib.rs b/kls/src/lib.rs
index 85a72b4..3327083 100644
--- a/kls/src/lib.rs
+++ b/kls/src/lib.rs
@@ -45,6 +45,7 @@ impl Kanata {
                 kanata_parser::keys::Platform::Win
             }
             DefLocalKeysVariant::Linux => kanata_parser::keys::Platform::Linux,
+            DefLocalKeysVariant::MacOS => kanata_parser::keys::Platform::Macos,
             DefLocalKeysVariant::NotSet => unreachable!(),
         };
         Self {
@@ -170,6 +171,8 @@ enum DefLocalKeysVariant {
     Wintercept,
     #[serde(rename = "deflocalkeys-linux")]
     Linux,
+    #[serde(rename = "deflocalkeys-macos")]
+    MacOS,
 }
 
 impl Display for DefLocalKeysVariant {
@@ -179,6 +182,7 @@ impl Display for DefLocalKeysVariant {
             DefLocalKeysVariant::Win => f.write_str("deflocalkeys-win"),
             DefLocalKeysVariant::Wintercept => f.write_str("deflocalkeys-wintercept"),
             DefLocalKeysVariant::Linux => f.write_str("deflocalkeys-linux"),
+            DefLocalKeysVariant::MacOS => f.write_str("deflocalkeys-macos"),
         }
     }
 }
diff --git a/package.json b/package.json
index 34249fd..9d928c6 100644
--- a/package.json
+++ b/package.json
@@ -86,7 +86,8 @@
           "enum": [
             "deflocalkeys-win",
             "deflocalkeys-wintercept",
-            "deflocalkeys-linux"
+            "deflocalkeys-linux",
+            "deflocalkeys-macos"
           ],
           "default": "not-set",
           "markdownDescription": "Select which localkeys variant to use."
diff --git a/syntaxes/kanata.tmLanguage.json b/syntaxes/kanata.tmLanguage.json
index 45657c1..82a3b4e 100644
--- a/syntaxes/kanata.tmLanguage.json
+++ b/syntaxes/kanata.tmLanguage.json
@@ -20,7 +20,7 @@
         },
         {
             "_description": "top-level blocks",
-            "match": "(?:\\(\\s*)(defcfg|defsrc|defalias|deflayer|defvar|deffakekeys|defseq|defchords|defaliasenvcond|defoverrides|deflocalkeys-linux|deflocalkeys-win|deflocalkeys-wintercept|include)(?=\\s|[()])",
+            "match": "(?:\\(\\s*)(defcfg|defsrc|defalias|deflayer|defvar|deffakekeys|defseq|defchords|defaliasenvcond|defoverrides|deflocalkeys-linux|deflocalkeys-win|deflocalkeys-wintercept|deflocalkeys-macos|include)(?=\\s|[()])",
             "captures": {
                 "1": {
                     "name": "keyword.control.kanata"
@@ -29,7 +29,7 @@
         },
         {
             "_description": "defcfg options",
-            "match": "(?:\\s|[()])(sequence-timeout|sequence-input-mode|linux-dev|linux-dev-names-include|linux-dev-names-exclude|linux-unicode-u-code|linux-unicode-termination|linux-x11-repeat-delay-rate|windows-altgr|windows-interception-mouse-hwid|process-unmapped-keys|danger-enable-cmd|sequence-backtrack-modcancel|log-layer-changes|delegate-to-first-layer|linux-continue-if-no-devs-found|movemouse-inherit-accel-state|movemouse-smooth-diagonals|dynamic-macro-max-presses)(?=\\s|[()])",
+            "match": "(?:\\s|[()])(sequence-timeout|sequence-input-mode|linux-dev|linux-dev-names-include|linux-dev-names-exclude|linux-unicode-u-code|linux-unicode-termination|linux-x11-repeat-delay-rate|windows-altgr|windows-interception-mouse-hwid|macos-dev-names-include|process-unmapped-keys|danger-enable-cmd|sequence-backtrack-modcancel|log-layer-changes|delegate-to-first-layer|linux-continue-if-no-devs-found|movemouse-inherit-accel-state|movemouse-smooth-diagonals|dynamic-macro-max-presses)(?=\\s|[()])",
             "captures": {
                 "1": {
                     "name": "constant.language.kanata"