diff --git a/source/functions.c b/source/functions.c
index 80ea372..e1e8df3 100644
--- a/source/functions.c
+++ b/source/functions.c
@@ -4124,7 +4124,7 @@ BUILT_IN_FUNCTION(function_fsize, words)
 #ifdef PUBLIC_ACCESS
 	RETURN_INT(0);
 #else 
-        char	FileBuf[BIG_BUFFER_SIZE+1];
+        char	FileBuf[BIG_BUFFER_SIZE];
 	char	*filename, *fullname;
         struct  stat    stat_buf;
 	off_t	filesize = 0;
@@ -4151,8 +4151,8 @@ BUILT_IN_FUNCTION(function_fsize, words)
 		else 
 		{
 			getcwd(FileBuf, BIG_BUFFER_SIZE);
-			strmcat(FileBuf, "/", BIG_BUFFER_SIZE);
-			strmcat(FileBuf, filename, BIG_BUFFER_SIZE);
+			strlcat(FileBuf, "/", sizeof FileBuf);
+			strlcat(FileBuf, filename, sizeof FileBuf);
 		}
 
 #if defined(__EMX__) || defined(WINNT)