diff --git a/src/inspector/Inspector.zig b/src/inspector/Inspector.zig
index 521590d90..0064c9958 100644
--- a/src/inspector/Inspector.zig
+++ b/src/inspector/Inspector.zig
@@ -131,7 +131,8 @@ pub fn recordKeyEvent(self: *Inspector, ev: inspector.key.Event) !void {
             try self.key_events.resize(self.surface.alloc, new_capacity);
             try self.key_events.append(ev);
         } else {
-            // TODO: there is a memory leak here, we have to deinit the oldest
+            var it = self.key_events.iterator(.forward);
+            if (it.next()) |old_ev| old_ev.deinit(self.surface.alloc);
             self.key_events.deleteOldest(1);
             try self.key_events.append(ev);
         },