1 files changed, 1 insertions, 1 deletions

diff --git a/networking/ipcalc.c b/networking/ipcalc.c
index 759704379..d7c968c25 100644
--- a/networking/ipcalc.c
+++ b/networking/ipcalc.c
@@ -75,7 +75,7 @@ int get_prefix(unsigned long netmask);
                 ;
 #endif
 
-int ipcalc_main(int argc, char **argv);
+int ipcalc_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int ipcalc_main(int argc, char **argv)
 {
         unsigned opt;