diff --git a/lib/riemann/tools.rb b/lib/riemann/tools.rb
index a5549698..c3338ccc 100644
--- a/lib/riemann/tools.rb
+++ b/lib/riemann/tools.rb
@@ -51,10 +51,10 @@ def options
     alias opts options
 
     def attributes
-      @attributes ||= Hash[options[:attribute].map do |attr|
+      @attributes ||= options[:attribute].map do |attr|
         k, v = attr.split('=')
         [k, v] if k && v
-      end]
+      end.to_h
     end
 
     def report(event)
diff --git a/tools/riemann-riak/lib/riemann/tools/riak.rb b/tools/riemann-riak/lib/riemann/tools/riak.rb
index 60c06eda..e2638640 100644
--- a/tools/riemann-riak/lib/riemann/tools/riak.rb
+++ b/tools/riemann-riak/lib/riemann/tools/riak.rb
@@ -201,7 +201,7 @@ def stats_riak_admin
         str = `riak-admin status`
         raise 'riak-admin failed' unless $CHILD_STATUS == 0
 
-        Hash[str.split("\n").map { |i| i.split(' : ') }]
+        str.split("\n").map { |i| i.split(' : ') }.to_h
       end
 
       # Get current stats as a hash