diff --git a/doc/changes/10564.md b/doc/changes/10564.md
new file mode 100644
index 000000000000..3a9bae84219a
--- /dev/null
+++ b/doc/changes/10564.md
@@ -0,0 +1,2 @@
+- fix interpretation of `exists_if` predicate in `META` files of installed
+  libraries containing more than one element. (#10564, @dbuenzli, @nojb)
diff --git a/src/dune_findlib/package0.ml b/src/dune_findlib/package0.ml
index 7a443e531a9a..99694f61cd04 100644
--- a/src/dune_findlib/package0.ml
+++ b/src/dune_findlib/package0.ml
@@ -56,7 +56,7 @@ let exists t ~is_builtin =
   let exists_if = Vars.get_words t.vars "exists_if" Ps.empty in
   match exists_if with
   | _ :: _ ->
-    Memo.List.for_all exists_if ~f:(fun fn -> Fs.file_exists (Path.relative t.dir fn))
+    Memo.List.exists exists_if ~f:(fun fn -> Fs.file_exists (Path.relative t.dir fn))
   | [] ->
     if not is_builtin
     then Memo.return true