diff --git a/app/models/communities_block.rb b/app/models/communities_block.rb
index 6c41651..872655e 100644
--- a/app/models/communities_block.rb
+++ b/app/models/communities_block.rb
@@ -13,9 +13,18 @@ class CommunitiesBlock < ProfileListBlock
   end
 
   def footer
-    profile = self.owner
-    lambda do
-      link_to _('All communities'), :profile => profile.identifier, :controller => 'profile', :action => 'communities'
+    owner = self.owner
+    case owner
+    when Profile
+      lambda do
+        link_to _('All communities'), :profile => owner.identifier, :controller => 'profile', :action => 'communities'
+      end
+    when Environment
+      lambda do
+        link_to _('All communities'), :controller => 'search', :action => 'assets', :asset => 'communities'
+      end
+    else
+      ''
     end
   end
 
diff --git a/app/models/enterprises_block.rb b/app/models/enterprises_block.rb
index fa62cf3..898620d 100644
--- a/app/models/enterprises_block.rb
+++ b/app/models/enterprises_block.rb
@@ -13,9 +13,18 @@ class EnterprisesBlock < ProfileListBlock
   end
 
   def footer
-    profile = self.owner
-    lambda do
-      link_to _('All enterprises'), :profile => profile.identifier, :controller => 'profile', :action => 'enterprises'
+    owner = self.owner
+    case owner
+    when Profile
+      lambda do
+        link_to _('All enterprises'), :profile => owner.identifier, :controller => 'profile', :action => 'enterprises'
+      end
+    when Environment
+      lambda do
+        link_to _('All enterprises'), :controller => 'search', :action => 'assets', :asset => 'enterprises'
+      end
+    else
+      ''
     end
   end
 
diff --git a/test/unit/communities_block_test.rb b/test/unit/communities_block_test.rb
index 10af09c..c3d4b29 100644
--- a/test/unit/communities_block_test.rb
+++ b/test/unit/communities_block_test.rb
@@ -42,4 +42,33 @@ class CommunitiesBlockTest < Test::Unit::TestCase
     assert_equal [member3, member1], block.profiles
   end
 
+  should 'link to all communities of profile' do
+    profile = Profile.new
+    profile.expects(:identifier).returns("theprofile")
+
+    block = CommunitiesBlock.new
+    block.expects(:owner).returns(profile)
+
+    expects(:_).with('All communities').returns('All communities')
+    expects(:link_to).with('All communities', :controller => 'profile', :profile => 'theprofile', :action => 'communities')
+    instance_eval(&block.footer)
+  end
+
+  should 'support environment as owner' do
+    env = Environment.default
+    block = CommunitiesBlock.new
+    block.expects(:owner).returns(env)
+
+    expects(:_).with('All communities').returns('All communities')
+    expects(:link_to).with('All communities', :controller => 'search', :action => 'assets', :asset => 'communities')
+
+    instance_eval(&block.footer)
+  end
+
+  should 'give empty footer on unsupported owner type' do
+    block = CommunitiesBlock.new
+    block.expects(:owner).returns(1)
+    assert_equal '', block.footer
+  end
+
 end
diff --git a/test/unit/enterprises_block_test.rb b/test/unit/enterprises_block_test.rb
index de87abb..a163b5f 100644
--- a/test/unit/enterprises_block_test.rb
+++ b/test/unit/enterprises_block_test.rb
@@ -42,4 +42,32 @@ class EnterprisesBlockTest < Test::Unit::TestCase
     assert_equal [member3, member1], block.profiles
   end
 
+  should 'link to all enterprises for profile' do
+    profile = Profile.new
+    profile.expects(:identifier).returns('theprofile')
+    block = EnterprisesBlock.new
+    block.expects(:owner).returns(profile)
+
+    expects(:_).with('All enterprises').returns('All enterprises')
+    expects(:link_to).with('All enterprises', :controller => 'profile', :profile => 'theprofile', :action => 'enterprises')
+
+    instance_eval(&block.footer)
+  end
+
+  should 'link to all enterprises for environment' do
+    env = Environment.default
+    block = EnterprisesBlock.new
+    block.expects(:owner).returns(env)
+
+    expects(:_).with('All enterprises').returns('All enterprises')
+    expects(:link_to).with('All enterprises', :controller => 'search', :action => 'assets', :asset => 'enterprises')
+    instance_eval(&block.footer)
+  end
+
+  should 'give empty footer for unsupported owner type' do
+    block = EnterprisesBlock.new
+    block.expects(:owner).returns(1)
+    assert_equal '', block.footer
+  end
+
 end
--
libgit2 0.21.2