diff --git a/packages/injectable-extension-for-mobx/index.d.ts b/packages/injectable-extension-for-mobx/index.d.ts
index 440ff790..0cd08de3 100644
--- a/packages/injectable-extension-for-mobx/index.d.ts
+++ b/packages/injectable-extension-for-mobx/index.d.ts
@@ -1,3 +1,21 @@
-import { DiContainer } from '@ogre-tools/injectable';
+import {
+  DiContainer,
+  Injectable,
+  InjectionToken,
+} from '@ogre-tools/injectable';
+import { IComputedValue } from 'mobx';
 
 export function registerMobX(di: DiContainer): void;
+
+export const computedInjectManyInjectable: Injectable<
+  <
+    TInjectionToken extends InjectionToken<any, any>,
+    TInstance = TInjectionToken extends InjectionToken<infer T, any>
+      ? T
+      : never,
+  >(
+    injectionToken: TInjectionToken,
+  ) => IComputedValue<TInstance[]>,
+  unknown,
+  void
+>;
diff --git a/packages/injectable-extension-for-mobx/index.js b/packages/injectable-extension-for-mobx/index.js
index 75c0336b..40b1e9d3 100644
--- a/packages/injectable-extension-for-mobx/index.js
+++ b/packages/injectable-extension-for-mobx/index.js
@@ -1,3 +1,6 @@
-import { computedInjectMany, registerMobX } from './src/computedInjectMany';
+import {
+  computedInjectManyInjectable,
+  registerMobX,
+} from './src/computedInjectMany';
 
-export { registerMobX, computedInjectMany };
+export { registerMobX, computedInjectManyInjectable };
diff --git a/packages/injectable-extension-for-mobx/src/computedInjectMany.js b/packages/injectable-extension-for-mobx/src/computedInjectMany.js
index 3baa4ca4..0e0cdacb 100644
--- a/packages/injectable-extension-for-mobx/src/computedInjectMany.js
+++ b/packages/injectable-extension-for-mobx/src/computedInjectMany.js
@@ -29,7 +29,7 @@ const getInvalidatorInstance =
     runInAction(() => {
       pipeline(
         injectables,
-        filter('injectionToken'),
+        filter(injectable => !!injectable.injectionToken),
 
         forEach(({ injectionToken }) => {
           const mobxAtomForToken = di.inject(
@@ -61,32 +61,30 @@ const invalidateReactiveInstancesOnDeregisterDecorator = getInjectable({
   injectionToken: deregistrationDecoratorToken,
 });
 
-export const computedInjectMany = getInjectable({
+export const computedInjectManyInjectable = getInjectable({
   id: 'reactive-instances',
 
-  instantiate: (di, { injectionToken }) => {
-    const mobxAtomForToken = di.inject(
-      invalidabilityForReactiveInstances,
-      injectionToken,
-    );
+  instantiate: di => {
+    const getMobxAtomForToken = injectionToken =>
+      di.inject(invalidabilityForReactiveInstances, injectionToken);
 
-    return computed(() => {
-      mobxAtomForToken.reportObserved();
+    return injectionToken => {
+      const mobxAtomForToken = getMobxAtomForToken(injectionToken);
 
-      return di.injectMany(injectionToken);
-    });
-  },
+      return computed(() => {
+        mobxAtomForToken.reportObserved();
 
-  lifecycle: lifecycleEnum.keyedSingleton({
-    getInstanceKey: (_, injectable) => injectable,
-  }),
+        return di.injectMany(injectionToken);
+      });
+    };
+  },
 });
 
 export const registerMobX = di => {
   di.register(
     invalidateReactiveInstancesOnRegisterDecorator,
     invalidateReactiveInstancesOnDeregisterDecorator,
-    computedInjectMany,
+    computedInjectManyInjectable,
     invalidabilityForReactiveInstances,
   );
 };
diff --git a/packages/injectable-extension-for-mobx/src/computedInjectMany.test.js b/packages/injectable-extension-for-mobx/src/computedInjectMany.test.js
index c834f7e0..d30d3642 100644
--- a/packages/injectable-extension-for-mobx/src/computedInjectMany.test.js
+++ b/packages/injectable-extension-for-mobx/src/computedInjectMany.test.js
@@ -4,7 +4,10 @@ import {
   getInjectionToken,
 } from '@ogre-tools/injectable';
 
-import { computedInjectMany, registerMobX } from './computedInjectMany';
+import {
+  computedInjectManyInjectable,
+  registerMobX,
+} from './computedInjectMany';
 
 import { configure, observe } from 'mobx';
 
@@ -48,9 +51,9 @@ describe('registerMobx', () => {
 
       registerMobX(di);
 
-      actual = di.inject(computedInjectMany, {
-        injectionToken: someFirstInjectionToken,
-      });
+      const computedInjectMany = di.inject(computedInjectManyInjectable);
+
+      actual = computedInjectMany(someFirstInjectionToken);
 
       observe(
         actual,
@@ -139,9 +142,9 @@ describe('registerMobx', () => {
           injectionToken: someSecondInjectionToken,
         });
 
-        const actual = di.inject(computedInjectMany, {
-          injectionToken: someSecondInjectionToken,
-        });
+        const computedInjectMany = di.inject(computedInjectManyInjectable);
+
+        const actual = computedInjectMany(someSecondInjectionToken);
 
         observe(
           actual,