diff --git a/apm-sniffer/apm-agent-core/src/main/java/org/skywalking/apm/agent/core/context/trace/Span.java b/apm-sniffer/apm-agent-core/src/main/java/org/skywalking/apm/agent/core/context/trace/Span.java
index 28f32f6ac..f3a3faa0e 100644
--- a/apm-sniffer/apm-agent-core/src/main/java/org/skywalking/apm/agent/core/context/trace/Span.java
+++ b/apm-sniffer/apm-agent-core/src/main/java/org/skywalking/apm/agent/core/context/trace/Span.java
@@ -383,7 +383,7 @@ public class Span implements AbstractSpan {
                 }
             }
             if (span.tagsWithInt != null) {
-                if (tagWithInt != null) {
+                if (tagWithInt == null) {
                     tagWithInt = new JsonObject();
                 }
                 for (IntTagItem item : span.tagsWithInt) {