diff --git a/util-linux/ipcrm.c b/util-linux/ipcrm.c
index 886c2ef..9240e2c 100644
--- a/util-linux/ipcrm.c
+++ b/util-linux/ipcrm.c
@@ -73,6 +73,7 @@
 #endif /* #ifndef CONFIG_IPCRM_DROP_LEGACY */
 
 
+int ipcrm_main(int argc, char **argv);
 int ipcrm_main(int argc, char **argv)
 {
 	int c;