diff --git a/README.org b/README.org
index 32d6662..92d5cb5 100644
--- a/README.org
+++ b/README.org
@@ -544,7 +544,8 @@ Simple links may also be written manually in either sexp or non-sexp form, like:
 
 ** 0.7.2-pre
 
-Nothing new yet.
+*Fixes*
++ Timestamp predicates are more tolerant of partial input (e.g. preventing errors while the user is typing a query into ~org-ql-find~).
 
 ** 0.7.1
 
diff --git a/org-ql.el b/org-ql.el
index b92784e..e153138 100644
--- a/org-ql.el
+++ b/org-ql.el
@@ -1286,6 +1286,9 @@ result form."
              to on))
      (when from
        (setq from (pcase from
+                    ("-"
+                     ;; Ignore, because it means the user is typing a negative number.
+                     nil)
                     ((or 'today "today") (->> (ts-now)
                                               (ts-apply :hour 0 :minute 0 :second 0)))
                     ((pred numberp) (->> (ts-now)
@@ -1302,6 +1305,9 @@ result form."
                     ((pred ts-p) from))))
      (when to
        (setq to (pcase to
+                  ("-"
+                   ;; Ignore, because it means the user is typing a negative number.
+                   nil)
                   ((or 'today "today") (->> (ts-now)
                                             (ts-apply :hour 23 :minute 59 :second 59)))
                   ((pred numberp) (->> (ts-now)