diff --git a/kio/kio/connection.cpp b/kio/kio/connection.cpp
index 725a85f13..90696da4c 100644
--- a/kio/kio/connection.cpp
+++ b/kio/kio/connection.cpp
@@ -42,8 +42,10 @@
 #include <kdebug.h>
 #include <tqsocketnotifier.h>
 
-#if defined(__OpenBSD__) || defined(__FreeBSD__)
+#if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__NetBSD__)
 #define __progname getprogname()
+#elif defined(_GNU_SOURCE) && defined(__GLIBC__)
+#define __progname program_invocation_short_name
 #else
 extern char *__progname;
 #endif