diff --git a/lib/std/Thread.zig b/lib/std/Thread.zig
index 5cf6b173fbd6ddcf887b4f473d57e594cf90f6d6..aad6c3401075f611c01b8514def493080aaf43ab 100644
--- a/lib/std/Thread.zig
+++ b/lib/std/Thread.zig
@@ -83,10 +83,9 @@ pub fn sleep(nanoseconds: u64) void {
                     req = rem;
                     continue;
                 },
-                .FAULT,
-                .INVAL,
-                .OPNOTSUPP,
-                => unreachable,
+                .FAULT => unreachable,
+                .INVAL => unreachable,
+                .OPNOTSUPP => unreachable,
                 else => return,
             }
         }