diff --git a/lib/puppet/provider/postgresql_conf/.parsed.rb.swp b/lib/puppet/provider/postgresql_conf/.parsed.rb.swp
new file mode 100644
index 0000000..5a5c170
Binary files /dev/null and b/lib/puppet/provider/postgresql_conf/.parsed.rb.swp differ
diff --git a/lib/puppet/provider/postgresql_conf/parsed.rb b/lib/puppet/provider/postgresql_conf/parsed.rb
index ebe1f70..7c597a8 100644
--- a/lib/puppet/provider/postgresql_conf/parsed.rb
+++ b/lib/puppet/provider/postgresql_conf/parsed.rb
@@ -18,12 +18,12 @@ Puppet::Type.type(:postgresql_conf).provide(
     :to_line  => proc { |h|
 
       # simple string and numeric values don't need to be enclosed in quotes
-      if h[:value].is_a?(Fixnum)
+      if h[:value].is_a?(Numeric)
         val = h[:value].to_s
       else
         val = h[:value]
       end
-      dontneedquote = val.match(/^(\w+)$/)
+      dontneedquote = val.match(/^([\d\.]+|\w+)$/)
       dontneedequal = h[:name].match(/^(include|include_if_exists)$/i)
 
       str =  h[:name].downcase # normalize case
diff --git a/spec/unit/provider/postgresql_conf/.parsed_spec.rb.swp b/spec/unit/provider/postgresql_conf/.parsed_spec.rb.swp
new file mode 100644
index 0000000..60e5484
Binary files /dev/null and b/spec/unit/provider/postgresql_conf/.parsed_spec.rb.swp differ
diff --git a/spec/unit/provider/postgresql_conf/parsed_spec.rb b/spec/unit/provider/postgresql_conf/parsed_spec.rb
index a9a155e..7646e3f 100644
--- a/spec/unit/provider/postgresql_conf/parsed_spec.rb
+++ b/spec/unit/provider/postgresql_conf/parsed_spec.rb
@@ -124,6 +124,19 @@ describe provider_class do
         "wal_segments = 32"
       )
     end
+
+    it "should allow numbers" do
+      expect(provider.to_line( {:name=>"integer", :value=>42, :comment=>nil, :record_type=>:parsed })).to eq(
+        "integer = 42"
+      )
+    end
+
+    it "should allow floats" do
+      expect(provider.to_line( {:name=>"float", :value=>2.71828182845, :comment=>nil, :record_type=>:parsed })).to eq(
+        "float = 2.71828182845"
+      )
+    end
+
   end
 end