diff --git a/src/components/MainDisplay.jsx b/src/components/MainDisplay.jsx
index 6c015e8..8beb835 100644
--- a/src/components/MainDisplay.jsx
+++ b/src/components/MainDisplay.jsx
@@ -57,7 +57,7 @@ export class MainDisplay extends Component {
 
   render () {
     const userData = store.get('LexicongaUserData');
-    const itemsPerPage = userData ? userData.itemsPerPage : DEFAULT_USER_DATA.itemsPerPage;
+    const itemsPerPage = userData && userData.hasOwnProperty('itemsPerPage') ? userData.itemsPerPage : DEFAULT_USER_DATA.itemsPerPage;
     const {
       dictionaryInfo,
       isLoadingWords,
diff --git a/src/components/management/AccountManager/index.jsx b/src/components/management/AccountManager/index.jsx
index 6e4fe7f..0ad4166 100644
--- a/src/components/management/AccountManager/index.jsx
+++ b/src/components/management/AccountManager/index.jsx
@@ -24,12 +24,12 @@ export class AccountManager extends Component {
     this.state = {
       isLoggedIn: false,
       userData: {
-        email: userData ? userData.email : DEFAULT_USER_DATA.email,
-        username: userData ? userData.username : DEFAULT_USER_DATA.username,
-        publicName: userData ? userData.publicName : DEFAULT_USER_DATA.publicName,
-        allowEmails: userData ? userData.allowEmails : DEFAULT_USER_DATA.allowEmails,
-        useIPAPronunciation: userData ? userData.useIPAPronunciation : DEFAULT_USER_DATA.useIPAPronunciation,
-        itemsPerPage: userData ? userData.itemsPerPage : DEFAULT_USER_DATA.itemsPerPage,
+        email: userData && userData.hasOwnProperty('email') ? userData.email : DEFAULT_USER_DATA.email,
+        username: userData && userData.hasOwnProperty('username') ? userData.username : DEFAULT_USER_DATA.username,
+        publicName: userData && userData.hasOwnProperty('publicName') ? userData.publicName : DEFAULT_USER_DATA.publicName,
+        allowEmails: userData && userData.hasOwnProperty('allowEmails') ? userData.allowEmails : DEFAULT_USER_DATA.allowEmails,
+        useIPAPronunciation: userData && userData.hasOwnProperty('useIPAPronunciation') ? userData.useIPAPronunciation : DEFAULT_USER_DATA.useIPAPronunciation,
+        itemsPerPage: userData && userData.hasOwnProperty('itemsPerPage') ? userData.itemsPerPage : DEFAULT_USER_DATA.itemsPerPage,
       },
       userDictionaries: [],
     };
diff --git a/src/components/management/WordForm.jsx b/src/components/management/WordForm.jsx
index fffc32f..c4a624c 100644
--- a/src/components/management/WordForm.jsx
+++ b/src/components/management/WordForm.jsx
@@ -104,7 +104,8 @@ export class WordForm extends Component {
 
   render () {
     const userData = store.get('LexicongaUserData');
-    const useIpaField = userData ? userData.useIPAPronunciation : DEFAULT_USER_DATA.useIPAPronunciation;
+    const useIpaField = userData && userData.hasOwnProperty('useIPAPronunciation')
+      ? userData.useIPAPronunciation : DEFAULT_USER_DATA.useIPAPronunciation;
     return (
       <div className='box'>
         <div className='field'>
diff --git a/src/index.jsx b/src/index.jsx
index 67ad8ec..685277b 100644
--- a/src/index.jsx
+++ b/src/index.jsx
@@ -96,7 +96,7 @@ class App extends Component {
   updateDisplayedWords (callback = () => {}) {
     dictionary.wordsPromise.then(words => {
       const userData = store.get('LexicongaUserData');
-      const itemsPerPage = userData ? userData.itemsPerPage : DEFAULT_USER_DATA.itemsPerPage;
+      const itemsPerPage = userData && userData.hasOwnProperty('itemsPerPage') ? userData.itemsPerPage : DEFAULT_USER_DATA.itemsPerPage;
       const { searchConfig, partsOfSpeech, currentPage } = this.state;
       const partsOfSpeechForFilter = [...partsOfSpeech, 'Uncategorized'];
       const pageStart = currentPage * itemsPerPage;