diff --git a/CHANGES.md b/CHANGES.md
index 9b28d50f037192f89a269fa5cbd28f947d951fa1..670deabf723c334dac5bfab0dc7e98e0a42310d5 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -13,6 +13,7 @@ Release Notes.
 #### OAP-Backend
 * Disable Spring sleuth meter analyzer by default.
 * Use MAL to calculate JVM metrics, remove OAL dependency.
+* Only count 5xx as error in Envoy ALS receiver.
 
 #### UI
 
diff --git a/oap-server/server-receiver-plugin/envoy-metrics-receiver-plugin/src/main/java/org/apache/skywalking/oap/server/receiver/envoy/als/LogEntry2MetricsAdapter.java b/oap-server/server-receiver-plugin/envoy-metrics-receiver-plugin/src/main/java/org/apache/skywalking/oap/server/receiver/envoy/als/LogEntry2MetricsAdapter.java
index 63da4197cf18454b6e3f0a0ff10dde486520de55..0f61b085016582ffba1bbbcdc46bd7c916213118 100644
--- a/oap-server/server-receiver-plugin/envoy-metrics-receiver-plugin/src/main/java/org/apache/skywalking/oap/server/receiver/envoy/als/LogEntry2MetricsAdapter.java
+++ b/oap-server/server-receiver-plugin/envoy-metrics-receiver-plugin/src/main/java/org/apache/skywalking/oap/server/receiver/envoy/als/LogEntry2MetricsAdapter.java
@@ -96,7 +96,7 @@ public class LogEntry2MetricsAdapter {
         final String endpoint = endpoint();
         int responseCode = entry.getResponse().getResponseCode().getValue();
         responseCode = responseCode > 0 ? responseCode : 200;
-        final boolean status = responseCode >= 200 && responseCode < 400;
+        final boolean status = responseCode < 500;
         final Protocol protocol = requestProtocol(entry.getRequest());
         final String tlsMode = parseTLS(properties.getTlsProperties());
         final String internalErrorCode = parseInternalErrorCode(properties.getResponseFlags());