diff --git a/lib/vagrant/util/string_block_editor.rb b/lib/vagrant/util/string_block_editor.rb
index 80c82c1c6..95b3a6f00 100644
--- a/lib/vagrant/util/string_block_editor.rb
+++ b/lib/vagrant/util/string_block_editor.rb
@@ -68,7 +68,7 @@ module Vagrant
 # VAGRANT-END: #{key}
 BLOCK
 
-        @value << "\n#{new_block}"
+        @value << "#{new_block}"
       end
     end
   end
diff --git a/test/unit/vagrant/util/string_block_editor_test.rb b/test/unit/vagrant/util/string_block_editor_test.rb
index 205f0eedf..255631b58 100644
--- a/test/unit/vagrant/util/string_block_editor_test.rb
+++ b/test/unit/vagrant/util/string_block_editor_test.rb
@@ -84,7 +84,7 @@ content
 DATA
 
       new_data = <<DATA
-#{data}
+#{data.chomp}
 # VAGRANT-BEGIN: foo
 value
 # VAGRANT-END: foo