diff --git a/README.org b/README.org
index c0279fc..2881ede 100644
--- a/README.org
+++ b/README.org
@@ -6,9 +6,9 @@ Here's an example of generating a kind of agenda view for today (note that the g
 
 #+BEGIN_SRC elisp
   (org-agenda-ng "~/src/emacs/org-super-agenda/test/test.org"
-    (and (or (date '= (org-today))
+    (and (or (date '= today)
              (deadline '<=)
-             (scheduled '<= (org-today)))
+             (scheduled '<= today))
          (not (done))))
 #+END_SRC
 
@@ -28,27 +28,35 @@ Here are some other examples:
   (org-agenda-ng "~/org/main.org"
     (or (habit)
         (deadline '<=)
-        (scheduled '<= (org-today))
+        (scheduled '<= today)
         (and (todo "DONE" "CANCELLED")
-             (closed '= (org-today)))))
+             (closed '= today))))
 
   (org-agenda-ng "~/org/main.org"
     (or (habit)
-        (and (or (date '= (org-today))
+        (and (or (date '= today)
                  (deadline '<=)
-                 (scheduled '<= (org-today)))
+                 (scheduled '<= today))
              (not (done)))
         (and (todo "DONE" "CANCELLED")
-             (closed '= (org-today)))))
+             (closed '= today))))
 
   (org-agenda-ng "~/org/main.org"
     (or (habit)
-        (and (or (date '= (org-today))
+        (and (or (date '= today)
                  (deadline '<=)
-                 (scheduled '<= (org-today)))
+                 (scheduled '<= today))
              (not (done)))
         (and (todo "DONE" "CANCELLED")
-             (closed '= (org-today)))))
+             (closed '= today))))
+  (org-agenda-ng "~/org/main.org"
+    (or (habit)
+        (and (or (date '= today)
+                 (deadline '<=)
+                 (scheduled '<= today))
+             (not (done)))
+        (and (todo "DONE" "CANCELLED")
+             (closed '= today))))
 #+END_SRC
 
 ** org-ql
diff --git a/org-agenda-ng.el b/org-agenda-ng.el
index 50743e6..745d7a9 100644
--- a/org-agenda-ng.el
+++ b/org-agenda-ng.el
@@ -72,6 +72,8 @@ of calling `org-element-headline-parser' at each matching entry."
 ;; TODO: Move the action-fn down into --filter-buffer, so users can avoid calling the
 ;; headline-parser when they don't need it.
 
+(defvar org-ql--today nil)
+
 (cl-defun org-ql--query (files pred action-fn)
   (setq files (cl-typecase files
                 (null (list (buffer-file-name (current-buffer))))
@@ -80,7 +82,8 @@ of calling `org-element-headline-parser' at each matching entry."
   (mapc 'find-file-noselect files)
   (let* ((org-use-tag-inheritance t)
          (org-scanner-tags nil)
-         (org-trust-scanner-tags t))
+         (org-trust-scanner-tags t)
+         (org-ql--today (org-today)))
     (-flatten-n 1 (--map (with-current-buffer (find-buffer-visiting it)
                            (mapcar action-fn
                                    (org-agenda-ng--filter-buffer :pred pred)))
@@ -105,7 +108,7 @@ of calling `org-element-headline-parser' at each matching entry."
 Headings should return non-nil for any ANY-PREDS and nil for all
 NONE-PREDS."
   ;; Cache `org-today' so we don't have to run it repeatedly.
-  (cl-flet ((org-today nil `(progn ,(org-today))))
+  (cl-letf ((today org-ql--today))
     (org-agenda-ng--fmap ((category #'org-agenda-ng--category-p)
                           (date #'org-agenda-ng--date-plain-p)
                           (deadline #'org-agenda-ng--deadline-p)