diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 8363ed7a31..ac806e99ad 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,8 @@
+2013-01-03  Pierre Muller  <muller@sourceware.org>
+
+	* main.c (relocate_gdb_directory): Avoid calling stat function
+	if DIR is empty.
+
 2013-01-03  Yao Qi  <yao@codesourcery.com>
 
 	* psymtab.c (fixup_psymbol_section): Update declaration.
diff --git a/gdb/main.c b/gdb/main.c
index 14893bdffd..7cd2d03d95 100644
--- a/gdb/main.c
+++ b/gdb/main.c
@@ -126,7 +126,7 @@ relocate_gdb_directory (const char *initial, int flag)
     {
       struct stat s;
 
-      if (stat (dir, &s) != 0 || !S_ISDIR (s.st_mode))
+      if (*dir == '\0' || stat (dir, &s) != 0 || !S_ISDIR (s.st_mode))
 	{
 	  xfree (dir);
 	  dir = NULL;