diff --git a/doc/coercion/malli_coercion.md b/doc/coercion/malli_coercion.md
index eb25b27c..b193db11 100644
--- a/doc/coercion/malli_coercion.md
+++ b/doc/coercion/malli_coercion.md
@@ -88,9 +88,9 @@ Using `create` with options to create the coercion instead of `coercion`:
    ;; strip-extra-keys (affects only predefined transformers)
    :strip-extra-keys true
    ;; add/set default values
+   ;; Can be false, true or a map of options to pass to malli.transform/default-value-transformer,
+   ;; for example {:malli.transform/add-optional-keys true}
    :default-values true
-   ;; add/set defaults also for optional keys. Corresponds to :malli.transform/add-optional-keys
-   :default-values-for-optional-keys false
    ;; encode-error
    :encode-error nil
    ;; malli options
diff --git a/modules/reitit-malli/src/reitit/coercion/malli.cljc b/modules/reitit-malli/src/reitit/coercion/malli.cljc
index 568f605d..d8fbd663 100644
--- a/modules/reitit-malli/src/reitit/coercion/malli.cljc
+++ b/modules/reitit-malli/src/reitit/coercion/malli.cljc
@@ -26,11 +26,11 @@
 
 (defn- -provider [transformer]
   (reify TransformationProvider
-    (-transformer [_ {:keys [strip-extra-keys default-values default-values-for-optional-keys]}]
+    (-transformer [_ {:keys [strip-extra-keys default-values]}]
       (mt/transformer
        (if strip-extra-keys (mt/strip-extra-keys-transformer))
        transformer
-       (if default-values (mt/default-value-transformer {:malli.transform/add-optional-keys default-values-for-optional-keys}))))))
+       (if default-values (mt/default-value-transformer (if (map? default-values) default-values {})))))))
 
 (def string-transformer-provider (-provider (mt/string-transformer)))
 (def json-transformer-provider (-provider (mt/json-transformer)))
@@ -115,10 +115,10 @@
    :enabled true
    ;; strip-extra-keys (affects only predefined transformers)
    :strip-extra-keys true
-   ;; add/set default values
+   ;; add/set default values.
+   ;; Can be false, true or a map of options to pass to malli.transform/default-value-transformer,
+   ;; for example {:malli.transform/add-optional-keys true}
    :default-values true
-   ;; add/set defaults also for optional keys. Corresponds to :malli.transform/add-optional-keys
-   :default-values-for-optional-keys false
    ;; encode-error
    :encode-error nil
    ;; malli options
diff --git a/test/cljc/reitit/coercion_test.cljc b/test/cljc/reitit/coercion_test.cljc
index e1f0cd20..5089ba29 100644
--- a/test/cljc/reitit/coercion_test.cljc
+++ b/test/cljc/reitit/coercion_test.cljc
@@ -153,13 +153,22 @@
              (-> (r/match-by-path (router reitit.coercion.malli/coercion) "/test")
                  (assoc :query-params {})
                  (coercion/coerce!)))))
-    (testing "default values for :optional query keys get added when :default-values-for-optional-keys is set"
+    (testing "default values for :optional query keys get added when :malli.transform/add-optional-keys is set"
       (is (= {:query {:a "a" :x :a}}
              (-> (r/match-by-path (router (reitit.coercion.malli/create
                                            (assoc reitit.coercion.malli/default-options
-                                                  :default-values-for-optional-keys true))) "/test")
+                                                  :default-values {:malli.transform/add-optional-keys true}))) "/test")
                  (assoc :query-params {})
-                 (coercion/coerce!)))))))
+                 (coercion/coerce!)))))
+    (testing "default values can be disabled"
+      (is (thrown-with-msg?
+           ExceptionInfo
+           #"Request coercion failed"
+           (-> (r/match-by-path (router (reitit.coercion.malli/create
+                                         (assoc reitit.coercion.malli/default-options
+                                                :default-values false))) "/test")
+               (assoc :query-params {})
+               (coercion/coerce!)))))))
 
 (defn match-by-path-and-coerce! [router path]
   (if-let [match (r/match-by-path router path)]