diff --git a/lib/std/zig/system.zig b/lib/std/zig/system.zig
index 427b260de0..8003c39dc8 100644
--- a/lib/std/zig/system.zig
+++ b/lib/std/zig/system.zig
@@ -128,19 +128,17 @@ pub fn getExternalExecutor(
     switch (candidate.os.tag) {
         .windows => {
             if (options.allow_wine) {
-                // x86_64 wine does not support emulating aarch64-windows and
-                // vice versa.
-                if (candidate.cpu.arch != builtin.cpu.arch and
-                    !(candidate.cpu.arch == .thumb and builtin.cpu.arch == .aarch64) and
-                    !(candidate.cpu.arch == .x86 and builtin.cpu.arch == .x86_64))
-                {
-                    return bad_result;
-                }
-                switch (candidate.ptrBitWidth()) {
-                    32 => return Executor{ .wine = "wine" },
-                    64 => return Executor{ .wine = "wine64" },
-                    else => return bad_result,
-                }
+                const wine_supported = switch (candidate.cpu.arch) {
+                    .thumb => switch (host.cpu.arch) {
+                        .arm, .thumb, .aarch64 => true,
+                        else => false,
+                    },
+                    .aarch64 => host.cpu.arch == .aarch64,
+                    .x86 => host.cpu.arch.isX86(),
+                    .x86_64 => host.cpu.arch == .x86_64,
+                    else => false,
+                };
+                return if (wine_supported) Executor{ .wine = "wine" } else bad_result;
             }
             return bad_result;
         },