--- a/src/lib/c/x/xevent.c
+++ b/src/lib/c/x/xevent.c
@@ -321,7 +321,9 @@
     void
 xProcessEvents()
 {
-    assert(SigCount > 0);
+/*    acm acm 9/12/2007   */
+/*    assert(SigCount > 0);   */
+    assert(SigCount >= 0);
     ProcessEvents();
 }