diff --git a/appl/ftp/ftp/cmds.c b/appl/ftp/ftp/cmds.c
index 8ae2be523..4a5597280 100644
--- a/appl/ftp/ftp/cmds.c
+++ b/appl/ftp/ftp/cmds.c
@@ -664,7 +664,7 @@ getit(int argc, char **argv, int restartit, char *mode)
 static int
 suspicious_filename(const char *fn)
 {
-    return stncmp(fn, "../", 3) == 0 || *fn == '/';
+    return strncmp(fn, "../", 3) == 0 || *fn == '/';
 }
 
 /*