diff --git a/storage/innodb_plugin/ChangeLog b/storage/innodb_plugin/ChangeLog
index a8b8c52908d..6aef312f7d0 100644
--- a/storage/innodb_plugin/ChangeLog
+++ b/storage/innodb_plugin/ChangeLog
@@ -1,3 +1,10 @@
+2010-03-18	The InnoDB Team
+
+	* buf0buf.ic:
+	When comparing the time of the first access to a block against
+	innodb_old_blocks_time, use 32-bit arithmetics.  The comparison
+	was incorrect on 64-bit systems.
+
 2010-03-11	The InnoDB Team
 
 	* buf0buf.h, buf0buf.ic:
diff --git a/storage/innodb_plugin/include/buf0buf.ic b/storage/innodb_plugin/include/buf0buf.ic
index e5cbde73ff6..5ce9712c7fa 100644
--- a/storage/innodb_plugin/include/buf0buf.ic
+++ b/storage/innodb_plugin/include/buf0buf.ic
@@ -81,7 +81,7 @@ buf_page_peek_if_too_old(
 		unsigned	access_time = buf_page_is_accessed(bpage);
 
 		if (access_time > 0
-		    && (ut_time_ms() - access_time)
+		    && ((ib_uint32_t) (ut_time_ms() - access_time))
 		    >= buf_LRU_old_threshold_ms) {
 			return(TRUE);
 		}