diff --git a/crypto/perlasm/x86_64-xlate.pl b/crypto/perlasm/x86_64-xlate.pl
index 14b6e35b85f6913865587d6b3d039c425617127c..fd0295185a4ae4e9a1f9ba323f4cfe97ef325d11 100755
--- a/crypto/perlasm/x86_64-xlate.pl
+++ b/crypto/perlasm/x86_64-xlate.pl
@@ -65,7 +65,10 @@ my $output = shift;
 	if ($stddev!=$outdev || $stdino!=$outino);
 }
 
-my $masm=1 if ($output =~ /\.asm/);
+my $masmref=8 + 50727*2**-32;	# 8.00.50727 shipped with VS2005
+my $masm=$masmref if ($output =~ /\.asm/);
+if ($masm && `ml64 2>&1` =~ m/Version ([0-9]+)\.([0-9]+)(\.([0-9]+))?/)
+{   $masm=$1 + $2*2**-16 + $4*2**-32;   }
 
 my $current_segment;
 my $current_function;
@@ -356,7 +359,9 @@ my $current_function;
 				    $v="$current_segment\tENDS\n" if ($current_segment);
 				    $current_segment = "_$1\$";
 				    $current_segment =~ tr/[a-z]/[A-Z]/;
-				    $v.="$current_segment\tSEGMENT ALIGN(64) 'CODE'";
+				    $v.="$current_segment\tSEGMENT ";
+				    $v.=$masm>=$masmref ? "ALIGN(64)" : "PAGE";
+				    $v.=" 'CODE'";
 				    $self->{value} = $v;
 				    last;
 				  };