diff --git a/example/StackNavigator.tsx b/example/StackNavigator.tsx
index b2918182..1d804483 100644
--- a/example/StackNavigator.tsx
+++ b/example/StackNavigator.tsx
@@ -76,10 +76,10 @@ const StackRouter: Router<CommonAction | Action> = {
       };
     }
 
-    if (state.names === undefined || state.key === undefined) {
+    if (state.routeNames === undefined || state.key === undefined) {
       state = {
         ...state,
-        names: state.names || routeNames,
+        routeNames: state.routeNames || routeNames,
         key: state.key || `stack-${shortid()}`,
       };
     }
@@ -90,7 +90,7 @@ const StackRouter: Router<CommonAction | Action> = {
   getStateForAction(state, action) {
     switch (action.type) {
       case 'PUSH':
-        if (state.names.includes(action.payload.name)) {
+        if (state.routeNames.includes(action.payload.name)) {
           return {
             ...state,
             index: state.index + 1,
@@ -128,7 +128,7 @@ const StackRouter: Router<CommonAction | Action> = {
         });
 
       case 'NAVIGATE':
-        if (state.names.includes(action.payload.name)) {
+        if (state.routeNames.includes(action.payload.name)) {
           // If the route already exists, navigate to that
           let index = -1;
 
@@ -199,7 +199,7 @@ const StackRouter: Router<CommonAction | Action> = {
           return {
             ...action.payload,
             key: state.key,
-            names: state.names,
+            routeNames: state.routeNames,
           };
         }
 
diff --git a/example/TabNavigator.tsx b/example/TabNavigator.tsx
index f0ad4b86..52ea5af2 100644
--- a/example/TabNavigator.tsx
+++ b/example/TabNavigator.tsx
@@ -60,10 +60,10 @@ const TabRouter: Router<Action | CommonAction> = {
       };
     }
 
-    if (state.names === undefined || state.key === undefined) {
+    if (state.routeNames === undefined || state.key === undefined) {
       state = {
         ...state,
-        names: state.names || routeNames,
+        routeNames: state.routeNames || routeNames,
         key: state.key || `tab-${shortid()}`,
       };
     }
@@ -75,7 +75,7 @@ const TabRouter: Router<Action | CommonAction> = {
     switch (action.type) {
       case 'JUMP_TO':
       case 'NAVIGATE':
-        if (state.names.includes(action.payload.name)) {
+        if (state.routeNames.includes(action.payload.name)) {
           const index = state.routes.findIndex(
             route => route.name === action.payload.name
           );
@@ -125,7 +125,7 @@ const TabRouter: Router<Action | CommonAction> = {
           return {
             ...action.payload,
             key: state.key,
-            names: state.names,
+            routeNames: state.routeNames,
           };
         }
 
diff --git a/src/__tests__/index.test.tsx b/src/__tests__/index.test.tsx
index 0b5130bb..4652c95b 100644
--- a/src/__tests__/index.test.tsx
+++ b/src/__tests__/index.test.tsx
@@ -24,10 +24,10 @@ const MockRouter: Router<{ type: string }> = {
       };
     }
 
-    if (state.names === undefined || state.key === undefined) {
+    if (state.routeNames === undefined || state.key === undefined) {
       state = {
         ...state,
-        names: state.names || routeNames,
+        routeNames: state.routeNames || routeNames,
         key: state.key || 'root',
       };
     }
@@ -95,7 +95,7 @@ it('initializes state for a navigator on navigation', () => {
   expect(onStateChange).toBeCalledWith({
     index: 0,
     key: 'root',
-    names: ['foo', 'bar', 'baz'],
+    routeNames: ['foo', 'bar', 'baz'],
     routes: [
       { key: 'foo', name: 'foo' },
       { key: 'bar', name: 'bar' },
@@ -148,7 +148,7 @@ it('initializes state for nested navigator on navigation', () => {
   expect(onStateChange).toBeCalledWith({
     index: 2,
     key: 'root',
-    names: ['foo', 'bar', 'baz'],
+    routeNames: ['foo', 'bar', 'baz'],
     routes: [
       { key: 'foo', name: 'foo' },
       { key: 'bar', name: 'bar' },
@@ -158,7 +158,7 @@ it('initializes state for nested navigator on navigation', () => {
         state: {
           index: 0,
           key: 'root',
-          names: ['qux'],
+          routeNames: ['qux'],
           routes: [{ key: 'qux', name: 'qux' }],
         },
       },
@@ -308,7 +308,7 @@ it("lets parent handle the action if child didn't", () => {
   expect(onStateChange).toBeCalledWith({
     index: 2,
     key: 'root',
-    names: ['foo', 'bar', 'baz'],
+    routeNames: ['foo', 'bar', 'baz'],
     routes: [
       { key: 'baz', name: 'baz' },
       { key: 'bar', name: 'bar' },
@@ -360,7 +360,7 @@ it('allows arbitrary state updates by dispatching a function', () => {
   expect(onStateChange).toBeCalledWith({
     index: 1,
     key: 'root',
-    names: ['foo', 'bar'],
+    routeNames: ['foo', 'bar'],
     routes: [{ key: 'bar', name: 'bar' }, { key: 'foo', name: 'foo' }],
   });
 });
@@ -403,7 +403,7 @@ it('updates route params with setParams', () => {
   expect(onStateChange).lastCalledWith({
     index: 0,
     key: 'root',
-    names: ['foo', 'bar'],
+    routeNames: ['foo', 'bar'],
     routes: [
       { key: 'foo', name: 'foo', params: { username: 'alice' } },
       { key: 'bar', name: 'bar' },
@@ -416,7 +416,7 @@ it('updates route params with setParams', () => {
   expect(onStateChange).lastCalledWith({
     index: 0,
     key: 'root',
-    names: ['foo', 'bar'],
+    routeNames: ['foo', 'bar'],
     routes: [
       { key: 'foo', name: 'foo', params: { username: 'alice', age: 25 } },
       { key: 'bar', name: 'bar' },
diff --git a/src/types.tsx b/src/types.tsx
index 4d2f2979..62f4122b 100644
--- a/src/types.tsx
+++ b/src/types.tsx
@@ -12,18 +12,18 @@ export type NavigationState = {
    */
   index: number;
   /**
-   * List if valid route names.
+   * List if valid route names as defined in the screen components.
    */
-  names: string[];
+  routeNames: string[];
   /**
    * List of rendered routes.
    */
   routes: Array<Route & { state?: NavigationState }>;
 };
 
-export type InitialState = Omit<Omit<NavigationState, 'names'>, 'key'> & {
+export type InitialState = Omit<Omit<NavigationState, 'routeNames'>, 'key'> & {
   key?: undefined;
-  names?: undefined;
+  routeNames?: undefined;
   state?: InitialState;
 };