diff --git a/ComApp/src/App/Views/InstallScreen.js b/ComApp/src/App/Views/InstallScreen.js
index 7b00977..12e040c 100644
--- a/ComApp/src/App/Views/InstallScreen.js
+++ b/ComApp/src/App/Views/InstallScreen.js
@@ -58,7 +58,7 @@ class InstallScreen extends React.Component {
                         <TextInput
                             style={commonStyles.textInput}
                             placeholder={i18n.t("install.enter_url")}
-                            onChangeText={(newText) => this.setState({ url: newText })}
+                            onChangeText={(newText) => this.setState({ url: newText.toLowerCase() })}
                             value={this.state.url}
                         />
                         <Button
diff --git a/ComApp/src/App/Views/LoginScreen.js b/ComApp/src/App/Views/LoginScreen.js
index 669e402..cb72279 100644
--- a/ComApp/src/App/Views/LoginScreen.js
+++ b/ComApp/src/App/Views/LoginScreen.js
@@ -56,7 +56,7 @@ class LoginScreen extends React.Component {
                             style={styles.text}
                             placeholder={i18n.t('login_s.username')}
                             value={this.state.login}
-                            onChangeText={text => this.setState({ login: text })}
+                            onChangeText={text => this.setState({ login: text.toLowerCase() })}
                             autoCapitalize={'none'}
                             autoCorrect={false}
                             keyboardType={'email-address'}