diff --git a/src/codegen.zig b/src/codegen.zig
index 9d479b90cd..7f65df2804 100644
--- a/src/codegen.zig
+++ b/src/codegen.zig
@@ -1189,12 +1189,16 @@ pub fn genTypedValue(
                     .enum_simple => {
                         return GenResult.mcv(.{ .immediate = field_index.data });
                     },
-                    .enum_full, .enum_nonexhaustive => {
-                        const enum_full = typed_value.ty.cast(Type.Payload.EnumFull).?.data;
-                        if (enum_full.values.count() != 0) {
-                            const tag_val = enum_full.values.keys()[field_index.data];
+                    .enum_numbered, .enum_full, .enum_nonexhaustive => {
+                        const enum_values = if (typed_value.ty.castTag(.enum_numbered)) |pl|
+                            pl.data.values
+                        else
+                            typed_value.ty.cast(Type.Payload.EnumFull).?.data.values;
+                        if (enum_values.count() != 0) {
+                            const tag_val = enum_values.keys()[field_index.data];
+                            var buf: Type.Payload.Bits = undefined;
                             return genTypedValue(bin_file, src_loc, .{
-                                .ty = enum_full.tag_ty,
+                                .ty = typed_value.ty.intTagType(&buf),
                                 .val = tag_val,
                             }, owner_decl_index);
                         } else {
diff --git a/test/behavior/union.zig b/test/behavior/union.zig
index b03e40214f..c84072fb8d 100644
--- a/test/behavior/union.zig
+++ b/test/behavior/union.zig
@@ -362,7 +362,6 @@ const MultipleChoice = union(enum(u32)) {
     D = 1000,
 };
 test "simple union(enum(u32))" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
@@ -641,7 +640,6 @@ test "tagged union with all void fields but a meaningful tag" {
 }
 
 test "union(enum(u32)) with specified and unspecified tag values" {
-    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO