diff --git a/lib/rexer/commands/envs.rb b/lib/rexer/commands/envs.rb
index 0ddd6ad..957d628 100644
--- a/lib/rexer/commands/envs.rb
+++ b/lib/rexer/commands/envs.rb
@@ -6,9 +6,7 @@ def initialize
       end
 
       def call
-        defined_envs.each do
-          puts _1
-        end
+        puts(*defined_envs)
       end
 
       private
@@ -17,7 +15,7 @@ def call
 
       def defined_envs
         all_envs = definition.plugins.map(&:env) + definition.themes.map(&:env)
-        all_envs.uniq
+        all_envs.uniq.sort
       end
     end
   end
diff --git a/test/integration/integration_test.rb b/test/integration/integration_test.rb
index cd13b18..c777637 100644
--- a/test/integration/integration_test.rb
+++ b/test/integration/integration_test.rb
@@ -27,7 +27,7 @@ class IntegrationTest < Test::Unit::TestCase
 
     docker_exec("rex envs").then do |result|
       assert_true result.success?
-      assert_equal %w[default env1 env2 env3 env4].sort, result.output.sort
+      assert_equal %w[default env1 env2 env3 env4], result.output
     end
 
     docker_exec("rex install -q").then do |result|