diff --git a/conman.c b/conman.c
index a1d62e34..c8bad638 100644
--- a/conman.c
+++ b/conman.c
@@ -1323,7 +1323,7 @@ int SCWriteZipped(SConnection * self, char *pName, void *pData,
   memset(outBuf, 0, 65536);
 
   protocolID = GetProtocolID(self);
-  if (protocolID == 5) {
+  if (protocolID == 4) {
     cc = SCGetContext(self);
     sprintf(outBuf, "SICSBIN ZIP %s %d %d\r\n", pName,
             compressedLength, cc.transID);
@@ -1398,7 +1398,7 @@ int SCWriteBinary(SConnection * self, char *pName, void *pData,
   memset(outBuf, 0, 65536);
 
   protocolID = GetProtocolID(self);
-  if (protocolID == 5) {
+  if (protocolID == 4) {
     cc = SCGetContext(self);
     sprintf(outBuf, "SICSBIN BIN %s %d %d\r\n", pName,
             iDataLen, cc.transID);
@@ -1504,7 +1504,7 @@ int SCWriteZippedOld(SConnection * self, char *pName, void *pData,
   memset(outBuf, 0, 65536);
 
   protocolID = GetProtocolID(self);
-  if (protocolID == 5) {
+  if (protocolID == 4) {
     cc = SCGetContext(self);
     sprintf(outBuf, "SICSBIN ZIP %s %d %d\r\n", pName,
             compressedLength, cc.transID);