diff --git a/data/core/keymap-macos.lua b/data/core/keymap-macos.lua
index 17e035c1..8fe04b39 100644
--- a/data/core/keymap-macos.lua
+++ b/data/core/keymap-macos.lua
@@ -34,6 +34,7 @@ local function keymap_macos(keymap)
     ["cmd+8"] = "root:switch-to-tab-8",
     ["cmd+9"] = "root:switch-to-tab-9",
     ["wheel"] = "root:scroll",
+    ["hwheel"] = "root:horizontal-scroll",
     ["shift+hwheel"] = "root:horizontal-scroll",
 
     ["cmd+f"] = "find-replace:find",