diff --git a/financer-server/pom.xml b/financer-server/pom.xml
index 1d0d5cc..c0b8ef9 100644
--- a/financer-server/pom.xml
+++ b/financer-server/pom.xml
@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="UTF-8"?>
-
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
diff --git a/financer-web-client/src/main/resources/static/changelog.txt b/financer-web-client/src/main/resources/static/changelog.txt
index 54a2c1b..ca7f5c6 100644
--- a/financer-web-client/src/main/resources/static/changelog.txt
+++ b/financer-web-client/src/main/resources/static/changelog.txt
@@ -1,3 +1,9 @@
+v20->v21:
+- Hide columns 'Spending current period' and 'Average spending' on mobile
+
+v19 -> v20:
+- Fix a bug that caused the server startup to fail
+
 v18 -> v19:
 - Fix a bug in recurring transaction handling that caused a recurring transaction with Holiday/Weekend type
   'previous workday' and a planned occurrence on a Sunday to be due on Friday and Saturday
diff --git a/financer-web-client/src/main/resources/templates/account/accountOverview.html b/financer-web-client/src/main/resources/templates/account/accountOverview.html
index 62c099e..0ff8494 100644
--- a/financer-web-client/src/main/resources/templates/account/accountOverview.html
+++ b/financer-web-client/src/main/resources/templates/account/accountOverview.html
@@ -75,12 +75,14 @@
             <a th:href="@{/accountDetails(key=${acc.key})}" th:text="${acc.key}"/>
         </td>
         <td th:text="${#numbers.formatDecimal(acc.currentBalance/100D, 1, 'DEFAULT', 2, 'DEFAULT') + currencySymbol}"/>
-        <td th:if="${acc.spendingCurrentExpensePeriod != null}"
+        <td class="hideable-column"
+            th:if="${acc.spendingCurrentExpensePeriod != null}"
             th:text="${#numbers.formatDecimal(acc.spendingCurrentExpensePeriod/100D, 1, 'DEFAULT', 2, 'DEFAULT') + currencySymbol}"/>
-        <td th:if="${acc.averageSpendingExpensePeriod != null}"
+        <td class="hideable-column"
+            th:if="${acc.averageSpendingExpensePeriod != null}"
             th:text="${#numbers.formatDecimal(acc.averageSpendingExpensePeriod/100D, 1, 'DEFAULT', 2, 'DEFAULT') + currencySymbol}"/>
-        <td th:if="${acc.spendingCurrentExpensePeriod == null}">-</td>
-        <td th:if="${acc.averageSpendingExpensePeriod == null}">-</td>
+        <td class="hideable-column" th:if="${acc.spendingCurrentExpensePeriod == null}">-</td>
+        <td class="hideable-column" th:if="${acc.averageSpendingExpensePeriod == null}">-</td>
         <td class="hideable-column" th:text="${acc.accountGroup?.name}"/>
         <td class="hideable-column" th:text="#{'financer.account-type.' + ${acc.type}}"/>
         <td class="hideable-column" th:text="#{'financer.account-status.' + ${acc.status}}"/>