diff --git a/lib/Git/PurePerl/Object/Commit.pm b/lib/Git/PurePerl/Object/Commit.pm
index 071d17e..bf5eda3 100644
--- a/lib/Git/PurePerl/Object/Commit.pm
+++ b/lib/Git/PurePerl/Object/Commit.pm
@@ -18,6 +18,7 @@ has 'committer' =>
 has 'committed_time' => ( is => 'rw', isa => 'DateTime', required => 0 );
 has 'comment'        => ( is => 'rw', isa => 'Str',      required => 0 );
 has 'encoding'       => ( is => 'rw', isa => 'Str',      required => 0 );
+has 'gpgsig'         => ( is => 'rw', isa => 'Str',      required => 0 );
 
 my %method_map = (
     'tree'      => 'tree_sha1',
@@ -31,10 +32,18 @@ sub BUILD {
     return unless $self->content;
     my @lines = split "\n", $self->content;
     my %header;
+    my $continuation;
     while ( my $line = shift @lines ) {
         last unless $line;
+        if ( $continuation and $line =~ /^ / ) {
+            $line =~ s/^ //;
+            $header{$continuation}->[-1] .= "\n$line";
+            next;
+        }
+        $continuation = undef;
         my ( $key, $value ) = split ' ', $line, 2;
         push @{$header{$key}}, $value;
+        $continuation = $key if $key eq "gpgsig";
     }
     $header{encoding}
         ||= [ $self->git->config->get(key => "i18n.commitEncoding") || "utf-8" ];