diff --git a/app/src/main/res/xml/preferences.xml b/app/src/main/res/xml/preferences.xml
index 3101aba..255e125 100644
--- a/app/src/main/res/xml/preferences.xml
+++ b/app/src/main/res/xml/preferences.xml
@@ -12,6 +12,9 @@
             android:title="@string/minimal_hot_temp"
             android:key="@string/settings_hint_min_hot_temp_key"
             android:inputType="number"
+            android:maxLength="2"
+            android:singleLine="true"
+            android:numeric="integer"
             android:defaultValue="30"
             android:summary="@string/minimal_hot_temp_summary">
         </EditTextPreference>
@@ -19,6 +22,9 @@
             android:title="@string/maximal_cold_temp"
             android:key="@string/settings_hint_max_cold_temp_key"
             android:inputType="number"
+            android:maxLength="2"
+            android:singleLine="true"
+            android:numeric="integer"
             android:defaultValue="10"
             android:summary="@string/maximal_cold_temp_summary">
         </EditTextPreference>
@@ -36,7 +42,10 @@
         <EditTextPreference
             android:title="@string/days_of_forecast"
             android:key="@string/settings_weather_days_forecast"
-            android:inputType="numberSigned"
+            android:inputType="number"
+            android:maxLength="2"
+            android:singleLine="true"
+            android:numeric="integer"
             android:defaultValue="2"
             android:summary="@string/days_of_forecast_summary">
         </EditTextPreference>