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| -rw-r--r-- | org-drill.el | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/org-drill.el b/org-drill.el index 781d63e..ee335af 100644 --- a/org-drill.el +++ b/org-drill.el @@ -932,6 +932,7 @@ from the entry at point." (setq last-interval (org-drill-entry-last-interval 1))) (and (numberp days-overdue) (> days-overdue 1) ; enforce a sane minimum 'overdue' gap + (> last-interval 0) ; prevent division by zero ;;(> due org-drill-days-before-overdue) (> (/ (+ days-overdue last-interval 1.0) last-interval) org-drill-overdue-interval-factor))) |