diff --git a/app/src/main/res/xml/pref_others.xml b/app/src/main/res/xml/pref_others.xml
index b3e7b8c9bc..d5de788edd 100644
--- a/app/src/main/res/xml/pref_others.xml
+++ b/app/src/main/res/xml/pref_others.xml
@@ -31,14 +31,14 @@
                 android:title="@string/low_mark"
                 android:key="low_mark"
                 android:defaultValue="0"
-                android:inputType="number">
+                android:inputType="numberDecimal">
             </EditTextPreference>
             <EditTextPreference
                 android:title="@string/high_mark"
                 android:key="high_mark"
                 android:defaultValue="0"
-                android:inputType="number">
+                android:inputType="numberDecimal">
             </EditTextPreference>
         </PreferenceScreen>
     </PreferenceCategory>
-</PreferenceScreen>
\ No newline at end of file
+</PreferenceScreen>