diff --git a/src/common/NebulaUtil.cc b/src/common/NebulaUtil.cc
index 9086fc85cd..1150647a25 100644
--- a/src/common/NebulaUtil.cc
+++ b/src/common/NebulaUtil.cc
@@ -641,7 +641,7 @@ string * one_util::zlib_decompress(const string& in, bool base64)
 
         rc = inflate(&zs, Z_FINISH);
 
-        if ( rc != Z_STREAM_END && rc != Z_OK && rc != Z_BUF_ERROR )
+        if ( rc != Z_STREAM_END && rc != Z_OK )
         {
             inflateEnd(&zs);
 
diff --git a/src/monitor/src/protocol/Message.cc b/src/monitor/src/protocol/Message.cc
index 3c85f43f92..e953a680fa 100644
--- a/src/monitor/src/protocol/Message.cc
+++ b/src/monitor/src/protocol/Message.cc
@@ -173,7 +173,7 @@ int zlib_decompress(const std::string& in, std::string& out)
 
         rc = inflate(&zs, Z_FINISH);
 
-        if ( rc != Z_STREAM_END && rc != Z_OK && rc != Z_BUF_ERROR )
+        if ( rc != Z_STREAM_END && rc != Z_OK )
         {
             inflateEnd(&zs);