diff --git a/CHANGELOG b/CHANGELOG
index 43788f5c4d3b3bb9730d314488c1a336ec15690d..7d05c210dfcdc2f78a5db55752f2ec0ea35d20ed 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -30,6 +30,7 @@ v 7.12.0 (unreleased)
   - Clarify navigation labels for Project Settings and Group Settings.
   - Move user avatar and logout button to sidebar
   - You can not remove user if he/she is an only owner of group
+  - User should be able to leave group. If not - show him proper message
 
 v 7.11.4
   - Fix missing bullets when creating lists
diff --git a/app/controllers/groups/group_members_controller.rb b/app/controllers/groups/group_members_controller.rb
index a11c554a2af43ec2da0ab679a8db8a298c59ffae..040255f08e61e2c72e5eb9ec3ade4ad9d7b5147a 100644
--- a/app/controllers/groups/group_members_controller.rb
+++ b/app/controllers/groups/group_members_controller.rb
@@ -66,7 +66,11 @@ class Groups::GroupMembersController < Groups::ApplicationController
       @group_member.destroy
       redirect_to(dashboard_groups_path, notice: "You left #{group.name} group.")
     else
-      return render_403
+      if @group.last_owner?(current_user)
+        redirect_to(dashboard_groups_path, alert: "You can not leave #{group.name} group because you're the last owner. Transfer or delete the group.")
+      else
+        return render_403
+      end
     end
   end
 
diff --git a/app/views/dashboard/groups/index.html.haml b/app/views/dashboard/groups/index.html.haml
index 5ecd53cff8443c00f3589107336b6a59d70ed2f1..cfb386e131f67453067b3c3b560936af676bbcbd 100644
--- a/app/views/dashboard/groups/index.html.haml
+++ b/app/views/dashboard/groups/index.html.haml
@@ -23,10 +23,9 @@
               %i.fa.fa-cogs
               Settings
 
-          - if can?(current_user, :destroy_group_member, group_member)
-            = link_to leave_group_group_members_path(group), data: { confirm: leave_group_message(group.name) }, method: :delete, class: "btn-sm btn btn-grouped", title: 'Remove user from group' do
-              %i.fa.fa-sign-out
-              Leave
+          = link_to leave_group_group_members_path(group), data: { confirm: leave_group_message(group.name) }, method: :delete, class: "btn-sm btn btn-grouped", title: 'Leave this group' do
+            %i.fa.fa-sign-out
+            Leave
 
         = image_tag group_icon(group), class: "avatar s40 avatar-tile"
         = link_to group, class: 'group-name' do
diff --git a/features/dashboard/group.feature b/features/dashboard/group.feature
index cf4b8d7283b3c796fe1099884ec90aae9a290c69..e3c01db2ebb113dc73e509f501f54896ec99639e 100644
--- a/features/dashboard/group.feature
+++ b/features/dashboard/group.feature
@@ -24,7 +24,8 @@ Feature: Dashboard Group
     When I visit dashboard groups page
     Then I should see group "Owned" in group list
     Then I should see group "Guest" in group list
-    Then I should not see the "Leave" button for group "Owned"
+    When I click on the "Leave" button for group "Owned"
+    Then I should see the "Can not leave message"
 
   @javascript
   Scenario: Guest should be able to leave from group
diff --git a/features/steps/dashboard/group.rb b/features/steps/dashboard/group.rb
index 8384df2fb59cb15aaaf0dd83d03a80670492645a..aeea49320ffcc7c5c8187569a5c9637eaa24dc1c 100644
--- a/features/steps/dashboard/group.rb
+++ b/features/steps/dashboard/group.rb
@@ -60,4 +60,8 @@ class Spinach::Features::DashboardGroup < Spinach::FeatureSteps
     page.should have_content "Samurai"
     page.should have_content "Tokugawa Shogunate"
   end
+
+  step 'I should see the "Can not leave message"' do
+    page.should have_content "You can not leave Owned group because you're the last owner"
+  end
 end