diff --git a/libs/main/io_devices/piethernet.cpp b/libs/main/io_devices/piethernet.cpp
index ad4a08b3..a1245cc1 100644
--- a/libs/main/io_devices/piethernet.cpp
+++ b/libs/main/io_devices/piethernet.cpp
@@ -383,7 +383,7 @@ void PIEthernet::applyBuffers() {
 
 void PIEthernet::applyTimeout(int fd, int opt, PISystemTime tm) {
 	if (fd == 0) return;
-	// piCoutObj << "setReadIsBlocking" << yes;
+		// piCoutObj << "setReadIsBlocking" << yes;
 #ifdef WINDOWS
 	DWORD _tm = tm.toMilliseconds();
 #else
@@ -1234,7 +1234,7 @@ PIEthernet::InterfaceList PIEthernet::interfaces() {
 #	  ifdef QNX
 #		ifndef BLACKBERRY
 			int fd = ::open((PIString("/dev/io-net/") + ci.name).dataAscii(), O_RDONLY);
-			if (fd != 0) {
+			if (fd >= 0) {
 				nic_config_t nic;
 				devctl(fd, DCMD_IO_NET_GET_CONFIG, &nic, sizeof(nic), 0);
 				::close(fd);