diff --git a/src/os/flatpak.zig b/src/os/flatpak.zig
index 7b92a8ba9..eaff529b0 100644
--- a/src/os/flatpak.zig
+++ b/src/os/flatpak.zig
@@ -112,6 +112,8 @@ pub const FlatpakHostCommand = struct {
     pub fn spawn(self: *FlatpakHostCommand, alloc: Allocator) !u32 {
         const thread = try std.Thread.spawn(.{}, threadMain, .{ self, alloc });
         thread.setName("flatpak-host-command") catch {};
+        // We don't track this thread, it will terminate on its own on command exit
+        thread.detach();
 
         // Wait for the process to start or error.
         self.state_mutex.lock();