diff --git a/sql/log.cc b/sql/log.cc
index 5348ae795b5..a873d75def9 100644
--- a/sql/log.cc
+++ b/sql/log.cc
@@ -2457,8 +2457,8 @@ void sql_print_information(const char *format, ...)
 static const char tc_log_magic[]={254, 0x23, 0x05, 0x74};
 
 uint opt_tc_log_size=TC_LOG_MIN_SIZE;
-uint tc_log_max_pages_used=0, tc_log_page_size=0,
-     tc_log_page_waits=0, tc_log_cur_pages_used=0;
+ulong tc_log_max_pages_used=0, tc_log_page_size=0,
+      tc_log_page_waits=0, tc_log_cur_pages_used=0;
 
 int TC_LOG_MMAP::open(const char *opt_name)
 {
diff --git a/sql/sql_class.h b/sql/sql_class.h
index d57eb3d3cc6..8247c531504 100644
--- a/sql/sql_class.h
+++ b/sql/sql_class.h
@@ -46,9 +46,9 @@ extern const char **errmesg;
 #define TC_LOG_PAGE_SIZE   8192
 #define TC_LOG_MIN_SIZE    (3*TC_LOG_PAGE_SIZE)
 extern uint opt_tc_log_size;
-extern uint tc_log_max_pages_used;
-extern uint tc_log_page_size;
-extern uint tc_log_page_waits;
+extern ulong tc_log_max_pages_used;
+extern ulong tc_log_page_size;
+extern ulong tc_log_page_waits;
 
 #define TC_HEURISTIC_RECOVER_COMMIT   1
 #define TC_HEURISTIC_RECOVER_ROLLBACK 2