diff --git a/src/misc2.c b/src/misc2.c
index b7e7d01..dfb1fc4 100644
--- a/src/misc2.c
+++ b/src/misc2.c
@@ -3247,7 +3247,7 @@
 #if defined(FEAT_MBYTE) || defined(PROTO)
 /*
  * Return TRUE if "p" points to just after a path separator.
- * Take care of multi-byte characters.
+ * Takes care of multi-byte characters.
  * "b" must point to the start of the file name
  */
     int
@@ -3255,7 +3255,7 @@
     char_u	*b;
     char_u	*p;
 {
-    return vim_ispathsep(p[-1])
+    return p > b && vim_ispathsep(p[-1])
 			     && (!has_mbyte || (*mb_head_off)(b, p - 1) == 0);
 }
 #endif
diff --git a/src/version.c b/src/version.c
index d9b50a6..4826a51 100644
--- a/src/version.c
+++ b/src/version.c
@@ -710,6 +710,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    242,
+/**/
     241,
 /**/
     240,