diff --git a/README.org b/README.org
index d122bdd..4d9fcbe 100644
--- a/README.org
+++ b/README.org
@@ -557,6 +557,7 @@ Simple links may also be written manually in either sexp or non-sexp form, like:
 
 *Fixes*
 + Predicate ~heading~ incorrectly matched strings as regular expressions, sometimes returning incorrect results.  (See [[https://github.com/alphapapa/org-ql/discussions/410][discussion]].  Thanks to [[https://github.com/al3xandru][Alex Popescu]] for reporting.)
++ Predicates ~ancestor~ and ~parent~ did not normalize their sub-queries, sometimes returning incorrect results.  ([[https://github.com/alphapapa/org-ql/issues/365][#365]].  Thanks to [[https://github.com/kofm][Gabriele Mongiano]] for reporting.)
 
 ** 0.8.4
 
diff --git a/org-ql.el b/org-ql.el
index da4456e..2bc33f5 100644
--- a/org-ql.el
+++ b/org-ql.el
@@ -2077,7 +2077,7 @@ With KEYWORDS, return non-nil if its keyword is one of KEYWORDS."
   :normalizers ((`(,predicate-names
                    ;; Avoid infinitely compiling already-compiled functions.
                    ,(and query (guard (not (byte-code-function-p query)))))
-                 `(ancestors ,(org-ql--query-predicate (rec query))))
+                 `(ancestors ,(org-ql--query-predicate (org-ql--normalize-query query))))
                 (`(,predicate-names) '(ancestors (lambda () t))))
   :body
   (org-with-wide-buffer
@@ -2089,7 +2089,7 @@ With KEYWORDS, return non-nil if its keyword is one of KEYWORDS."
   :normalizers ((`(,predicate-names
                    ;; Avoid infinitely compiling already-compiled functions.
                    ,(and query (guard (not (byte-code-function-p query)))))
-                 `(parent ,(org-ql--query-predicate (rec query))))
+                 `(parent ,(org-ql--query-predicate (org-ql--normalize-query query))))
                 (`(,predicate-names) '(parent (lambda () t))))
   :body
   (org-with-wide-buffer
diff --git a/org-ql.info b/org-ql.info
index 33a3dca..f17deee 100644
--- a/org-ql.info
+++ b/org-ql.info
@@ -1082,6 +1082,10 @@ File: README.info,  Node: 085-pre,  Next: 084,  Up: Changelog
      discussion (https://github.com/alphapapa/org-ql/discussions/410).
      Thanks to Alex Popescu (https://github.com/al3xandru) for
      reporting.)
+   • Predicates ‘ancestor’ and ‘parent’ did not normalize their
+     sub-queries, sometimes returning incorrect results.  (#365
+     (https://github.com/alphapapa/org-ql/issues/365).  Thanks to
+     Gabriele Mongiano (https://github.com/kofm) for reporting.)
 
 
 File: README.info,  Node: 084,  Next: 083,  Prev: 085-pre,  Up: Changelog
@@ -1984,45 +1988,45 @@ Node: Links38883
 Node: Tips39570
 Node: Changelog39894
 Node: 085-pre40788
-Node: 08441175
-Node: 08341631
-Node: 08241972
-Node: 08142365
-Node: 0842786
-Node: 07445510
-Node: 07345733
-Node: 07246465
-Node: 07147384
-Node: 0748195
-Node: 06351061
-Node: 06251594
-Node: 06151901
-Node: 0652471
-Node: 05255527
-Node: 05155829
-Node: 0556254
-Node: 04957785
-Node: 04858067
-Node: 04758416
-Node: 04658825
-Node: 04559233
-Node: 04459594
-Node: 04359953
-Node: 04260156
-Node: 04160317
-Node: 0460564
-Node: 03264665
-Node: 03165068
-Node: 0365265
-Node: 02368565
-Node: 02268799
-Node: 02169079
-Node: 0269284
-Node: 0173362
-Node: Notes73463
-Node: Comparison with Org Agenda searches73625
-Node: org-sidebar74514
-Node: License74793
+Node: 08441444
+Node: 08341900
+Node: 08242241
+Node: 08142634
+Node: 0843055
+Node: 07445779
+Node: 07346002
+Node: 07246734
+Node: 07147653
+Node: 0748464
+Node: 06351330
+Node: 06251863
+Node: 06152170
+Node: 0652740
+Node: 05255796
+Node: 05156098
+Node: 0556523
+Node: 04958054
+Node: 04858336
+Node: 04758685
+Node: 04659094
+Node: 04559502
+Node: 04459863
+Node: 04360222
+Node: 04260425
+Node: 04160586
+Node: 0460833
+Node: 03264934
+Node: 03165337
+Node: 0365534
+Node: 02368834
+Node: 02269068
+Node: 02169348
+Node: 0269553
+Node: 0173631
+Node: Notes73732
+Node: Comparison with Org Agenda searches73894
+Node: org-sidebar74783
+Node: License75062
 
 End Tag Table
 
diff --git a/tests/test-org-ql.el b/tests/test-org-ql.el
index 247fa78..8d2b84c 100644
--- a/tests/test-org-ql.el
+++ b/tests/test-org-ql.el
@@ -254,6 +254,18 @@ with keyword arg NOW in PLIST."
         (expect (org-ql--normalize-query "\"quoted phrase\"")
                 :to-equal '(rifle :regexps '("\"quoted phrase\""))))
 
+      (describe "Ancestor/Parent predicates"
+        ;; NOTE: Because the ancestor and parent predicates byte-compile their
+        ;; subquery predicates, we have to test the byte-compiled forms here.
+        (expect (org-ql--normalize-query '(ancestors "scheduled"))
+                ;; No colon after keyword, so not a predicate query.
+                :to-equal ;; '(ancestors (rifle :regexps '("scheduled")))
+                `(ancestors #[nil "\300\301\302\"\207" [rifle :regexps ("scheduled")] 3]))
+        (expect (org-ql--normalize-query '(parent "scheduled"))
+                ;; No colon after keyword, so not a predicate query.
+                :to-equal ;; '(parent (rifle :regexps '("scheduled")))
+                `(parent #[nil "\300\301\302\"\207" [rifle :regexps ("scheduled")] 3])))
+
       (describe "Plain strings"
         (it "normalizes plain strings to the default predicate (using AND)"
           (expect (org-ql--normalize-query '(and "string1" "string2"))