diff --git a/src/ex_cmds2.c b/src/ex_cmds2.c
index 74dae92..3efa8ca 100644
--- a/src/ex_cmds2.c
+++ b/src/ex_cmds2.c
@@ -1183,6 +1183,7 @@
 /*
  * Call timers that are due.
  * Return the time in msec until the next timer is due.
+ * Returns -1 if there are no pending timers.
  */
     long
 check_due_timer(void)
@@ -1197,6 +1198,10 @@
 # ifdef WIN3264
     LARGE_INTEGER   fr;
 
+    /* Don't run any timers while exiting. */
+    if (exiting)
+	return next_due;
+
     QueryPerformanceFrequency(&fr);
 # endif
     profile_start(&now);