diff --git a/include/common/tglobal.h b/include/common/tglobal.h
index 584c4b5775..501f1cabc1 100644
--- a/include/common/tglobal.h
+++ b/include/common/tglobal.h
@@ -293,6 +293,7 @@ extern int32_t tsMaxStreamBackendCache;
 extern int32_t tsPQSortMemThreshold;
 extern int32_t tsResolveFQDNRetryTime;
 extern bool    tsStreamCoverage;
+extern int8_t  tsS3EpNum;
 
 extern bool tsExperimental;
 // #define NEEDTO_COMPRESSS_MSG(size) (tsCompressMsgSize != -1 && (size) > tsCompressMsgSize)