diff --git a/cc/genrule_test.go b/cc/genrule_test.go
index 05c644f..0896206 100644
--- a/cc/genrule_test.go
+++ b/cc/genrule_test.go
@@ -210,3 +210,47 @@
 		t.Errorf(`expected product variant, but does not exist in %v`, variants)
 	}
 }
+
+// cc_genrule is initialized to android.InitAndroidArchModule
+// that is an architecture-specific Android module.
+// So testing properties tagged with `android:"arch_variant"`
+// for cc_genrule.
+func TestMultilibGenruleOut(t *testing.T) {
+	bp := `
+	cc_genrule {
+		name: "gen",
+		cmd: "cp $(in) $(out)",
+		srcs: ["foo"],
+		multilib: {
+			lib32: {
+				out: [
+					"subdir32/external-module32",
+				],
+			},
+			lib64: {
+				out: [
+					"subdir64/external-module64",
+				],
+			},
+		},
+	}
+	`
+	result := PrepareForIntegrationTestWithCc.RunTestWithBp(t, bp)
+	gen_32bit := result.ModuleForTests("gen", "android_arm_armv7-a-neon").OutputFiles(t, "")
+	android.AssertPathsEndWith(t,
+		"genrule_out",
+		[]string{
+			"subdir32/external-module32",
+		},
+		gen_32bit,
+	)
+
+	gen_64bit := result.ModuleForTests("gen", "android_arm64_armv8-a").OutputFiles(t, "")
+	android.AssertPathsEndWith(t,
+		"genrule_out",
+		[]string{
+			"subdir64/external-module64",
+		},
+		gen_64bit,
+	)
+}
diff --git a/genrule/genrule.go b/genrule/genrule.go
index a2a3f75..cf2a966 100644
--- a/genrule/genrule.go
+++ b/genrule/genrule.go
@@ -808,7 +808,7 @@
 
 type genRuleProperties struct {
 	// names of the output files that will be generated
-	Out []string
+	Out []string `android:"arch_variant"`
 }
 
 var Bool = proptools.Bool