diff --git a/sys/unix/unixunix.c b/sys/unix/unixunix.c
index bb45f3639..df8caec83 100644
--- a/sys/unix/unixunix.c
+++ b/sys/unix/unixunix.c
@@ -194,24 +194,23 @@ regularize(s)	/* normalize file name - we don't like .'s, /'s, spaces */
 register char *s;
 {
 	register char *lp;
-#if defined(SYSV) && !defined(AIX_31) && defined(COMPRESS)
-	int i;
-#endif
 
 	while((lp=index(s, '.')) || (lp=index(s, '/')) || (lp=index(s,' ')))
 		*lp = '_';
-#if defined(SYSV) && !defined(AIX_31)
+#if defined(SYSV) && !defined(AIX_31) && !defined(SVR4) && !defined(LINUX)
 	/* avoid problems with 14 character file name limit */
 # ifdef COMPRESS
 	/* leave room for .e from error and .Z from compress appended to
 	 * save files */
+	{
 #  ifdef COMPRESS_EXTENSION
-	i = 12 - strlen(COMPRESS_EXTENSION);
+	    int i = 12 - strlen(COMPRESS_EXTENSION);
 #  else
-	i = 10;		/* should never happen... */
+	    int i = 10;		/* should never happen... */
 #  endif
-	if(strlen(s) > i)
+	    if(strlen(s) > i)
 		s[i] = '\0';
+	}
 # else
 	if(strlen(s) > 11)
 		/* leave room for .nn appended to level files */