diff --git a/src/globals.h b/src/globals.h
index f5e1bb1..f14cb89 100644
--- a/src/globals.h
+++ b/src/globals.h
@@ -1608,7 +1608,7 @@
 #endif
 
 /* For undo we need to know the lowest time possible. */
-EXTERN time_t starttime;
+EXTERN time_T starttime;
 
 #ifdef STARTUPTIME
 EXTERN FILE *time_fd INIT(= NULL);  /* where to write startup timing */
@@ -1640,7 +1640,7 @@
 #endif
 
 #ifdef FEAT_EVAL
-EXTERN time_t time_for_testing INIT(= 0);
+EXTERN time_T time_for_testing INIT(= 0);
 #endif
 
 /*