diff --git a/libgcc/ChangeLog b/libgcc/ChangeLog
index 759cd820b2b..5334959f041 100644
--- a/libgcc/ChangeLog
+++ b/libgcc/ChangeLog
@@ -1,3 +1,7 @@
+2014-07-11  Rong Xu  <xur@google.com>
+
+	* libgcov-util.c (gcov_max_filename): Fix declartion.
+
 2014-07-10  Rong Xu  <xur@google.com>
 
 	Add gcov-tool: an offline gcda profile processing tool
diff --git a/libgcc/libgcov-util.c b/libgcc/libgcov-util.c
index 6dddec59490..fc67979fcb8 100644
--- a/libgcc/libgcov-util.c
+++ b/libgcc/libgcov-util.c
@@ -38,7 +38,7 @@ see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
 
 extern gcov_position_t gcov_position();
 extern int gcov_is_error();
-extern gcov_unsigned_t gcov_max_filename;
+extern size_t gcov_max_filename;
 
 /* Verbose mode for debug.  */
 static int verbose;