diff --git a/src/rpc/src/rpcMain.c b/src/rpc/src/rpcMain.c
index 2ec508f050ea7cf916f8b1c1e6ff37d18fb96523..75312a0b03327d73136fb007b321f4c2a735e2fa 100644
--- a/src/rpc/src/rpcMain.c
+++ b/src/rpc/src/rpcMain.c
@@ -1471,7 +1471,7 @@ static int32_t rpcCompressRpcMsg(char* pCont, int32_t contLen) {
    * only the compressed size is less than the value of contLen - overhead, the compression is applied
    * The first four bytes is set to 0, the second four bytes are utilized to keep the original length of message
    */
-  if (compLen < contLen - overhead) {
+  if (compLen > 0 && compLen < contLen - overhead) {
     SRpcComp *pComp = (SRpcComp *)pCont;
     pComp->reserved = 0; 
     pComp->contLen = htonl(contLen);