diff --git a/src/main/java/de/deadlocker8/budgetmaster/accounts/AccountController.java b/src/main/java/de/deadlocker8/budgetmaster/accounts/AccountController.java
index fa49c95deed126e4803f053046e1540dea8bdb77..a697a5048fde27a3f57fa979a5e12ed9abee0f63 100644
--- a/src/main/java/de/deadlocker8/budgetmaster/accounts/AccountController.java
+++ b/src/main/java/de/deadlocker8/budgetmaster/accounts/AccountController.java
@@ -57,6 +57,27 @@ public class AccountController extends BaseController
 		return "redirect:" + referer;
 	}
 
+	@GetMapping(value = "/{ID}/toggleReadOnly")
+	public String toggleReadOnly(HttpServletRequest request, @PathVariable("ID") Integer ID)
+	{
+		final Optional<Account> accountOptional = accountService.getRepository().findById(ID);
+		if(accountOptional.isEmpty())
+		{
+			throw new ResourceNotFoundException();
+		}
+
+		final Account account = accountOptional.get();
+		account.setReadOnly(!account.isReadOnly());
+		accountService.getRepository().save(account);
+
+		String referer = request.getHeader("Referer");
+		if(referer.contains("database/import"))
+		{
+			return "redirect:/settings";
+		}
+		return "redirect:" + referer;
+	}
+
 	@GetMapping
 	public String accounts(Model model)
 	{
diff --git a/src/main/resources/languages/_de.properties b/src/main/resources/languages/_de.properties
index a3813231d5bd06304e49c099b731c23c26bc43cd..a37ebbe6417190734d7300f157148e047753e8d8 100644
--- a/src/main/resources/languages/_de.properties
+++ b/src/main/resources/languages/_de.properties
@@ -207,6 +207,8 @@ account.default.name=Standardkonto
 account.all=Alle Konten
 account.budget.asof=Stand
 account.tooltip.default=Als Standardkonto festlegen
+account.tooltip.readonly.activate=Konto aktivieren
+account.tooltip.readonly.deactivate=Konto deaktivieren
 
 transaction.new.label.name=Name
 transaction.new.label.amount=Betrag
diff --git a/src/main/resources/languages/_en.properties b/src/main/resources/languages/_en.properties
index 1e875bf88e21c97514c2b926512ad856cb0355a3..9745393debaabaa1d80758154bab548551a7b11f 100644
--- a/src/main/resources/languages/_en.properties
+++ b/src/main/resources/languages/_en.properties
@@ -207,6 +207,8 @@ account.default.name=Default Account
 account.all=All Accounts
 account.budget.asof=as of
 account.tooltip.default=Set as default account
+account.tooltip.readonly.activate=Enable account
+account.tooltip.readonly.deactivate=Disable account
 
 transaction.new.label.name=Name
 transaction.new.label.amount=Amount
diff --git a/src/main/resources/templates/accounts/accounts.ftl b/src/main/resources/templates/accounts/accounts.ftl
index a8a8377485e37bdb8f672832811d60438e41ca1b..6a865e4fec5729204ff486d9db4d0aed7299b484 100644
--- a/src/main/resources/templates/accounts/accounts.ftl
+++ b/src/main/resources/templates/accounts/accounts.ftl
@@ -25,6 +25,16 @@
                                 <tr>
                                     <td>
                                         <a href="<@s.url '/accounts/${account.getID()?c}/setAsDefault'/>" class="btn-flat no-padding text-color tooltipped" data-position="left" data-tooltip="${locale.getString("account.tooltip.default")}"><i class="material-icons left"><#if account.isDefault()>star<#else>star_border</#if></i></a>
+
+                                        <#if account.isReadOnly()>
+                                            <#assign toolTipText = locale.getString("account.tooltip.readonly.activate")/>
+                                            <#assign lockIcon = '<i class="fas fa-lock"></i>'/>
+                                        <#else>
+                                            <#assign toolTipText = locale.getString("account.tooltip.readonly.deactivate")/>
+                                            <#assign lockIcon = '<i class="fas fa-lock-open"></i>'/>
+                                        </#if>
+
+                                        <a href="<@s.url '/accounts/${account.getID()?c}/toggleReadOnly'/>" class="btn-flat no-padding text-color tooltipped" data-position="left" data-tooltip="${toolTipText}">${lockIcon}</a>
                                     </td>
                                     <td>${account.getName()}</td>
                                     <td>