diff --git a/cpuinfo_loong64.go b/cpuinfo_loong64.go
index d88442f0..ab7bfa5f 100644
--- a/cpuinfo_loong64.go
+++ b/cpuinfo_loong64.go
@@ -11,8 +11,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-//go:build linux
-// +build linux
+//go:build linux && loong64
+// +build linux,loong64
 
 package procfs
 
diff --git a/cpuinfo_s390x.go b/cpuinfo_s390x.go
index fa3686bc..605376b1 100644
--- a/cpuinfo_s390x.go
+++ b/cpuinfo_s390x.go
@@ -11,8 +11,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-//go:build linux
-// +build linux
+//go:build linux && s390x
+// +build linux,s390x
 
 package procfs