diff --git a/lib/std/Target.zig b/lib/std/Target.zig
index b203f4e0697036c27a5cdaf08fd7c1cac6530b2b..f1689125d1eaacc5559f6d940a43e3f8aa216a5c 100644
--- a/lib/std/Target.zig
+++ b/lib/std/Target.zig
@@ -887,8 +887,12 @@ pub const Abi = enum {
                 => .muslabi64,
 
                 // No musl support.
+                .alpha,
                 .arc,
                 .arceb,
+                .or1k,
+                .sparc,
+                .sparc64,
                 => .gnu,
                 .csky,
                 => .gnueabi,