diff --git a/CHANGES.md b/CHANGES.md
index ff1d8f2e7d..1a84fabee4 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -63,6 +63,7 @@ Release Notes.
 * Set default connection timeout of ElasticSearch to 3000 milliseconds.
 * Support ElasticSearch 8 and add it into E2E tests.
 * Disable indexing for field `alarm_record.tags_raw_data` of binary type in ElasticSearch storage.
+* Fix Zipkin receiver wrong condition for decoding `gzip`. 
 
 #### UI
 
diff --git a/oap-server/server-receiver-plugin/zipkin-receiver-plugin/src/main/java/org/apache/skywalking/oap/server/receiver/zipkin/handler/SpanProcessor.java b/oap-server/server-receiver-plugin/zipkin-receiver-plugin/src/main/java/org/apache/skywalking/oap/server/receiver/zipkin/handler/SpanProcessor.java
index f03589577e..a9c4dd513e 100644
--- a/oap-server/server-receiver-plugin/zipkin-receiver-plugin/src/main/java/org/apache/skywalking/oap/server/receiver/zipkin/handler/SpanProcessor.java
+++ b/oap-server/server-receiver-plugin/zipkin-receiver-plugin/src/main/java/org/apache/skywalking/oap/server/receiver/zipkin/handler/SpanProcessor.java
@@ -58,7 +58,7 @@ public class SpanProcessor {
     private InputStream getInputStream(HttpServletRequest request) throws IOException {
         InputStream requestInStream;
 
-        String headEncoding = request.getHeader("accept-encoding");
+        String headEncoding = request.getHeader("Content-Encoding");
         if (headEncoding != null && (headEncoding.indexOf("gzip") != -1)) {
             requestInStream = new GZIPInputStream(request.getInputStream());
         } else {