diff --git a/src/darkleaf/di/core.clj b/src/darkleaf/di/core.clj
index 2b2e652e..025c60e0 100644
--- a/src/darkleaf/di/core.clj
+++ b/src/darkleaf/di/core.clj
@@ -1000,17 +1000,23 @@
           (throw (ex-info "A memoized registry should be the first middleware"
                           {:type ::wrong-memoized-registry-position})))
         (fn [key]
-          (let [factory (.computeIfAbsent factories key
-                                          (fn [_]
-                                            (let [factory (registry key)]
-                                              (add-factory-watch factory
-                                                                 #(.remove factories key factory))
-                                              factory)))]
-            (reify p/Factory
-              (dependencies [_]
-                (p/dependencies factory))
-              (build [_ deps _add-stop]
-                (.computeIfAbsent objs [factory deps]
-                                  (fn [_] (p/build factory deps add-stop))))
-              (description [_]
-                (p/description factory)))))))))
+          (let [factory     (.computeIfAbsent factories key
+                                              (fn [_]
+                                                (let [factory (registry key)]
+                                                  (add-factory-watch factory
+                                                                     #(.remove factories key factory))
+                                                  factory)))
+                description (p/description factory)]
+            (cond
+              (::side-dependency description)
+              factory
+
+              :else
+              (reify p/Factory
+                (dependencies [_]
+                  (p/dependencies factory))
+                (build [_ deps _add-stop]
+                  (.computeIfAbsent objs [factory deps]
+                                    (fn [_] (p/build factory deps add-stop))))
+                (description [_]
+                  (p/description factory))))))))))
diff --git a/test/darkleaf/di/memoize_test.clj b/test/darkleaf/di/memoize_test.clj
index 70f4593e..0344ac46 100644
--- a/test/darkleaf/di/memoize_test.clj
+++ b/test/darkleaf/di/memoize_test.clj
@@ -224,6 +224,23 @@
               [:stop `invalidation-a]]
              @log))))
 
+(t/deftest side-dependency-test
+  (defn- side-dependency
+    {::di/kind :component}
+    [{calls ::calls}]
+    (swap! calls inc)
+    :ok)
+
+  (let [calls (atom 0)
+        mem (di/->memoize {::param :param
+                           ::calls calls}
+                          (di/add-side-dependency `side-dependency))]
+    (di/start `a mem)
+    (di/start `a mem)
+    (t/is (= 2 @calls))
+    (di/stop mem)))
+
+
 (comment
 
   (require '[clj-async-profiler.core :as prof])