1 files changed, 1 insertions, 0 deletions

diff --git a/util-linux/umount.c b/util-linux/umount.c
index 6ba72aed1..4ea15d91b 100644
--- a/util-linux/umount.c
+++ b/util-linux/umount.c
@@ -20,6 +20,7 @@
 #define OPT_REMOUNT                     16
 #define OPT_ALL                         (ENABLE_FEATURE_UMOUNT_ALL ? 32 : 0)
 
+int umount_main(int argc, char **argv);
 int umount_main(int argc, char **argv)
 {
         int doForce;