don't set default_release if default_release is nil

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/chef/provider/package/apt.rb b/lib/chef/provider/package/apt.rb
index 15d1481cf1..fd132c817c 100644
--- a/lib/chef/provider/package/apt.rb
+++ b/lib/chef/provider/package/apt.rb
@@ -47,7 +47,7 @@ class Chef
 
         def default_release_options
           # Use apt::Default-Release option only if provider supports it
-          "-o APT::Default-Release=#{@new_resource.default_release}" if @new_resource.respond_to?(:default_release)
+          "-o APT::Default-Release=#{@new_resource.default_release}" if @new_resource.respond_to?(:default_release) && @new_resource.default_release
         end
 
         def check_package_state(package)