1 files changed, 1 insertions, 1 deletions
diff --git a/lib/std/os/windows.zig b/lib/std/os/windows.zig
index 81855a992a..b7b1edeb89 100644
--- a/lib/std/os/windows.zig
+++ b/lib/std/os/windows.zig
@@ -323,7 +323,7 @@ pub fn GetQueuedCompletionStatus(
             ERROR.HANDLE_EOF => return GetQueuedCompletionStatusResult.EOF,
             else => |err| {
                 if (std.debug.runtime_safety) {
-                    std.debug.panic("unexpected error: {}\n", err);
+                    std.debug.panic("unexpected error: {}\n", .{err});
                 }
             },
         }