diff --git a/src/MultiPlayer/multiplaymgr.cxx b/src/MultiPlayer/multiplaymgr.cxx
index b1318f64c..16c0a6e5f 100644
--- a/src/MultiPlayer/multiplaymgr.cxx
+++ b/src/MultiPlayer/multiplaymgr.cxx
@@ -716,7 +716,7 @@ FGMultiplayMgr::Update(void)
   //////////////////////////////////////////////////
   //  Read the receive socket and process any data
   //////////////////////////////////////////////////
-  size_t bytes;
+  ssize_t bytes;
   do {
     MsgBuf msgBuf;
     //////////////////////////////////////////////////
@@ -736,7 +736,7 @@ FGMultiplayMgr::Update(void)
         perror("FGMultiplayMgr::MP_ProcessData");
       break;
     }
-    if (bytes <= sizeof(T_MsgHdr)) {
+    if (bytes <= static_cast<ssize_t>(sizeof(T_MsgHdr))) {
       SG_LOG( SG_NETWORK, SG_ALERT, "FGMultiplayMgr::MP_ProcessData - "
               << "received message with insufficient data" );
       break;
diff --git a/src/Network/generic.cxx b/src/Network/generic.cxx
index 178103e5c..ad362e258 100644
--- a/src/Network/generic.cxx
+++ b/src/Network/generic.cxx
@@ -143,7 +143,7 @@ bool FGGeneric::gen_message_binary() {
             if (binary_byte_order == BYTE_ORDER_MATCHES_NETWORK_ORDER) {
                 *((int32_t*)&buf[length]) = (int32_t)fixed;
             } else {
-                *((uint32_t*)&buf[length]) = sg_bswap_32((uint32_t)val);
+                *((uint32_t*)&buf[length]) = sg_bswap_32((uint32_t)fixed);
             } 
             length += sizeof(int32_t);
             break;
@@ -399,6 +399,7 @@ bool FGGeneric::parse_message_ascii() {
             break;
 
         case FG_FIXED:
+        case FG_FLOAT:
         case FG_DOUBLE:
             val = _in_message[i].offset + strtod(p1, 0) * _in_message[i].factor;
             _in_message[i].prop->setFloatValue((float)val);