diff --git a/bacnet-stack/demo/handler/h_dcc.c b/bacnet-stack/demo/handler/h_dcc.c
index 71082e0e..64a1f61a 100644
--- a/bacnet-stack/demo/handler/h_dcc.c
+++ b/bacnet-stack/demo/handler/h_dcc.c
@@ -184,10 +184,13 @@ void handler_device_communication_control(
         datalink_send_pdu(src, &npdu_data, &Handler_Transmit_Buffer[0],
         pdu_len);
 #if PRINT_ENABLED
-    if (bytes_sent <= 0)
+    if (bytes_sent <= 0) {
         fprintf(stderr,
             "DeviceCommunicationControl: " "Failed to send PDU (%s)!\n",
             strerror(errno));
+    }
+#else
+    bytes_sent = bytes_sent;
 #endif
 
     return;
diff --git a/bacnet-stack/demo/handler/h_rd.c b/bacnet-stack/demo/handler/h_rd.c
index 6dca7cb0..3c1d048a 100644
--- a/bacnet-stack/demo/handler/h_rd.c
+++ b/bacnet-stack/demo/handler/h_rd.c
@@ -154,9 +154,12 @@ void handler_reinitialize_device(
         datalink_send_pdu(src, &npdu_data, &Handler_Transmit_Buffer[0],
         pdu_len);
 #if PRINT_ENABLED
-    if (bytes_sent <= 0)
+    if (bytes_sent <= 0) {
         fprintf(stderr, "ReinitializeDevice: Failed to send PDU (%s)!\n",
             strerror(errno));
+    }
+#else
+    bytes_sent = bytes_sent;
 #endif
 
     return;
diff --git a/bacnet-stack/demo/handler/h_rp.c b/bacnet-stack/demo/handler/h_rp.c
index 15d45624..73754f8b 100644
--- a/bacnet-stack/demo/handler/h_rp.c
+++ b/bacnet-stack/demo/handler/h_rp.c
@@ -178,8 +178,11 @@ void handler_read_property(
         datalink_send_pdu(src, &npdu_data, &Handler_Transmit_Buffer[0],
         pdu_len);
 #if PRINT_ENABLED
-    if (bytes_sent <= 0)
+    if (bytes_sent <= 0) {
         fprintf(stderr, "Failed to send PDU (%s)!\n", strerror(errno));
+    }
+#else
+    bytes_sent = bytes_sent;
 #endif
 
     return;
diff --git a/bacnet-stack/demo/handler/h_rpm.c b/bacnet-stack/demo/handler/h_rpm.c
index e3918553..5ccd55c0 100644
--- a/bacnet-stack/demo/handler/h_rpm.c
+++ b/bacnet-stack/demo/handler/h_rpm.c
@@ -431,4 +431,11 @@ void handler_read_property_multiple(
     bytes_sent =
         datalink_send_pdu(src, &npdu_data, &Handler_Transmit_Buffer[0],
         pdu_len);
+#if PRINT_ENABLED
+    if (bytes_sent <= 0) {
+        fprintf(stderr, "RPM: Failed to send PDU (%s)!\n", strerror(errno));
+    }
+#else
+    bytes_sent = bytes_sent;
+#endif
 }
diff --git a/bacnet-stack/demo/handler/h_wp.c b/bacnet-stack/demo/handler/h_wp.c
index 83bdab98..bb6852a5 100644
--- a/bacnet-stack/demo/handler/h_wp.c
+++ b/bacnet-stack/demo/handler/h_wp.c
@@ -137,8 +137,11 @@ void handler_write_property(
         datalink_send_pdu(src, &npdu_data, &Handler_Transmit_Buffer[0],
         pdu_len);
 #if PRINT_ENABLED
-    if (bytes_sent <= 0)
+    if (bytes_sent <= 0) {
         fprintf(stderr, "WP: Failed to send PDU (%s)!\n", strerror(errno));
+    }
+#else
+    bytes_sent = bytes_sent;
 #endif
 
     return;
diff --git a/bacnet-stack/demo/handler/noserv.c b/bacnet-stack/demo/handler/noserv.c
index b0d2e112..152665b0 100644
--- a/bacnet-stack/demo/handler/noserv.c
+++ b/bacnet-stack/demo/handler/noserv.c
@@ -79,9 +79,12 @@ void handler_unrecognized_service(
         datalink_send_pdu(src, &npdu_data, &Handler_Transmit_Buffer[0],
         pdu_len);
 #if PRINT_ENABLED
-    if (bytes_sent > 0)
+    if (bytes_sent > 0) {
         fprintf(stderr, "Sent Reject!\n");
-    else
+    } else {
         fprintf(stderr, "Failed to Send Reject (%s)!\n", strerror(errno));
+    }
+#else
+    bytes_sent = bytes_sent;
 #endif
 }
diff --git a/bacnet-stack/demo/handler/s_iam.c b/bacnet-stack/demo/handler/s_iam.c
index 3126c8d5..d03a4651 100644
--- a/bacnet-stack/demo/handler/s_iam.c
+++ b/bacnet-stack/demo/handler/s_iam.c
@@ -101,8 +101,11 @@ void Send_I_Am(
     bytes_sent = datalink_send_pdu(&dest, &npdu_data, &buffer[0], pdu_len);
 
 #if PRINT_ENABLED
-    if (bytes_sent <= 0)
+    if (bytes_sent <= 0) {
         fprintf(stderr, "Failed to Send I-Am Reply (%s)!\n", strerror(errno));
+    }
+#else
+    bytes_sent = bytes_sent;
 #endif
 }
 
@@ -183,5 +186,7 @@ void Send_I_Am_Unicast(
 #if PRINT_ENABLED
     if (bytes_sent <= 0)
         fprintf(stderr, "Failed to Send I-Am Reply (%s)!\n", strerror(errno));
+#else
+    bytes_sent = bytes_sent;
 #endif
 }
diff --git a/bacnet-stack/demo/handler/s_ihave.c b/bacnet-stack/demo/handler/s_ihave.c
index 75cd6d6a..9091fd27 100644
--- a/bacnet-stack/demo/handler/s_ihave.c
+++ b/bacnet-stack/demo/handler/s_ihave.c
@@ -88,8 +88,11 @@ void Send_I_Have(
         datalink_send_pdu(&dest, &npdu_data, &Handler_Transmit_Buffer[0],
         pdu_len);
 #if PRINT_ENABLED
-    if (bytes_sent <= 0)
+    if (bytes_sent <= 0) {
         fprintf(stderr, "Failed to Send I-Have Reply (%s)!\n",
             strerror(errno));
+    }
+#else
+    bytes_sent = bytes_sent;
 #endif
 }