diff --git a/lib/std/pdb.zig b/lib/std/pdb.zig
index 5478c01c41574001d14bdeb121c7f017e19e198d..b3bbfae08bbf8433d4dfe617126c5ad16244b99d 100644
--- a/lib/std/pdb.zig
+++ b/lib/std/pdb.zig
@@ -310,6 +310,7 @@ pub const SymbolKind = enum(u16) {
     gmandata = 4381,
     lthread32 = 4370,
     gthread32 = 4371,
+    _,
 };
 
 pub const TypeIndex = u32;