1 files changed, 1 insertions, 0 deletions

diff --git a/coreutils/df.c b/coreutils/df.c
index 3b3292590..484cabb37 100644
--- a/coreutils/df.c
+++ b/coreutils/df.c
@@ -33,6 +33,7 @@ static long kscale(long b, long bs)
 }
 #endif
 
+int df_main(int argc, char **argv);
 int df_main(int argc, char **argv)
 {
         long blocks_used;