diff --git a/lib/MongoDB/_URI.pm b/lib/MongoDB/_URI.pm
index 7abcd11e..7d845fef 100644
--- a/lib/MongoDB/_URI.pm
+++ b/lib/MongoDB/_URI.pm
@@ -30,6 +30,7 @@ use Types::Standard qw(
     HashRef
     Str
     Int
+    Num
 );
 use namespace::clean -except => 'meta';
 use Scalar::Util qw/looks_like_number/;
@@ -95,7 +96,7 @@ has valid_options => (
 
 has expires => (
     is => 'ro',
-    isa => Int,
+    isa => Num,
     writer => '_set_expires',
 );
 
@@ -442,6 +443,14 @@ sub _parse_srv_uri {
       %{ $result{options} || {} },
     };
 
+    # Reset str to bool options to string value, as _parse_options changes it to 0/1 if it exists during parsing
+    # means we get the correct value when re-building the uri below.
+    for my $stb_key ( keys %{ $self->_valid_str_to_bool_options } ) {
+        # use exists just in case
+        next unless exists $options->{ $stb_key };
+        $options->{ $stb_key } = ($options->{ $stb_key } || $options->{ $stb_key } eq 'true') ? 'true' : 'false';
+    }
+
     my $auth = "";
     if ( defined $result{username} || defined $result{password} )  {
         $auth = join(":", map { $_ // "" } $result{username}, $result{password});
diff --git a/t/unit/uri_srv.t b/t/unit/uri_srv.t
new file mode 100644
index 00000000..df8ca977
--- /dev/null
+++ b/t/unit/uri_srv.t
@@ -0,0 +1,96 @@
+#  Copyright 2019 - present MongoDB, Inc.
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#  http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+
+use strict;
+use warnings;
+use Test::More;
+
+{
+    package Test::MongoDB::_URI;
+    use Moo;
+    extends 'MongoDB::_URI';
+
+    has _test_seedlist_args => (
+        is => 'rw',
+    );
+
+    has _test_seedlist_return => (
+        is => 'rw',
+        default => sub {[]},
+    );
+
+    # Net::DNS is an optional dependency, so the original cannot
+    # actually be run in the general test instance.
+    # Doesnt stop us from stringing it up for tests though!
+    sub _fetch_dns_seedlist {
+        my ( $self, @args ) = @_;
+        $self->_test_seedlist_args([@args]);
+        return @{ $self->_test_seedlist_return };
+    }
+}
+
+my $class = 'Test::MongoDB::_URI';
+
+subtest "boolean params unchanged" => sub {
+    my $uri = new_ok( $class, [
+        uri                   => 'mongodb+srv://testmongo.example.com/?ssl=true',
+        _test_seedlist_return => [
+            [{ target => 'localhost', port => 27017 }],
+            {
+                retryWrites => 'true',
+                retryReads  => 'false',
+            },
+            0
+        ]
+    ]);
+
+    is_deeply $uri->_test_seedlist_args, [ 'testmongo.example.com', 'init' ],
+        'fetch_dns_seedlist called correctly';
+
+    is_deeply $uri->hostids, [ 'localhost:27017' ],
+        "hostids correct";
+
+    is_deeply $uri->options,
+        { ssl => 1, retrywrites => 1, retryreads => 0 },
+        "options correct";
+
+    subtest "force call srv parsing" => sub {
+        $uri->_test_seedlist_return([
+            [{ target => 'localhost', port => 27019 }],
+            {
+                retryWrites => 'false',
+                retryReads  => 'true',
+            },
+            1
+        ]);
+        my ( $new_uri, $expires ) = $uri->_parse_srv_uri( 'mongodb+srv://testmongo2.example.com/?ssl=true', 'init' );
+
+        is_deeply $uri->_test_seedlist_args, [ 'testmongo2.example.com', 'init' ],
+            'fetch_dns_seedlist called correctly';
+
+        like $new_uri, qr!^mongodb://localhost:27019/?!, 'URI Host correct';
+
+        # Cannot use straight comparison as options are hash shuffled
+        my ($readsVal) = $new_uri =~ qr/retryReads=(\w*)/;
+        is $readsVal, 'true', 'Retry Reads true';
+        my ($writesVal) = $new_uri =~ qr/retryWrites=(\w*)/;
+        is $writesVal, 'false', 'Retry Writes false';
+        my ($sslVal) = $new_uri =~ qr/ssl=(\w*)/;
+        is $sslVal, 'true', 'SSL true';
+
+        is $expires, 1, 'expires as expected';
+    }
+};
+
+done_testing;
\ No newline at end of file