diff --git a/lib/std/spinlock.zig b/lib/std/spinlock.zig
index 227d4cbbd7..8a9cbca837 100644
--- a/lib/std/spinlock.zig
+++ b/lib/std/spinlock.zig
@@ -7,7 +7,7 @@ const std = @import("std.zig");
 const builtin = @import("builtin");
 
 pub const SpinLock = struct {
-    state: State,
+    state: State = .Unlocked,
 
     const State = enum(u8) {
         Unlocked,