diff --git a/software/apt-lib.pl b/software/apt-lib.pl
index fd0dd43b9..36e3cf513 100755
--- a/software/apt-lib.pl
+++ b/software/apt-lib.pl
@@ -26,7 +26,7 @@ local $uicmd = "$apt_get_command -y ".($force ? " -f" : "")." install $update";
 $update = join(" ", map { quotemeta($_) } split(/\s+/, $update));
 local $cmd = "$apt_get_command -y ".($force ? " -f" : "")." install $update";
 print &text('apt_install', "<tt>".&html_escape($uicmd)."</tt>"),"\n";
-print "<pre>";
+print "<pre data-installer>";
 &additional_log('exec', undef, $cmd);
 
 # Run dpkg --configure -a to clear any un-configured packages
diff --git a/software/csw-lib.pl b/software/csw-lib.pl
index 65462e17c..890f41ce5 100755
--- a/software/csw-lib.pl
+++ b/software/csw-lib.pl
@@ -35,7 +35,7 @@ do {
 			"<tt>$pkg_get -i $flag $update</tt>"),"\n";
 	$failed = 0;
 	$retry = 0;
-	print "<pre>";
+	print "<pre data-installer>";
 	&open_execute_command(PKGGET,
 		"$pkg_get -i $flag ".quotemeta($update), 2);
 	while(<PKGGET>) {
diff --git a/software/emerge-lib.pl b/software/emerge-lib.pl
index e56188444..c499f86ba 100755
--- a/software/emerge-lib.pl
+++ b/software/emerge-lib.pl
@@ -301,7 +301,7 @@ local $update = $_[0] || $in{'update'};
 local $cmd = "emerge ".quotemeta($update);
 local @rv;
 print &text('emerge_install', "<tt>$cmd</tt>"),"\n";
-print "<pre>\n";
+print "<pre data-installer>\n";
 &additional_log('exec', undef, $cmd);
 &open_execute_command(CMD, "$cmd 2>&1 </dev/null", 1);
 while(<CMD>) {
diff --git a/software/ipkg-lib.pl b/software/ipkg-lib.pl
index 60e10a1f1..3c6ffd698 100755
--- a/software/ipkg-lib.pl
+++ b/software/ipkg-lib.pl
@@ -233,7 +233,7 @@ local $update = $_[0] || $in{'update'};
 local (@rv, @newpacks);
 local $cmd = "$ipkg install";
 print &text('IPKG_install', "<tt>$cmd</tt>"),"\n";
-print "<pre>";
+print "<pre data-installer>";
 &additional_log('exec', undef, "$cmd $update");
 local $qm = join(" ", map { quotemeta($_) } split(/\s+/, $update));
 &open_execute_command(CMD, "$cmd $qm", 2);
diff --git a/software/pkg-lib.pl b/software/pkg-lib.pl
index 6d7998d4a..2017637df 100644
--- a/software/pkg-lib.pl
+++ b/software/pkg-lib.pl
@@ -17,7 +17,7 @@ my $force = !$_[2];
 $update = join(" ", map { quotemeta($_) } split(/\s+/, $update));
 my $cmd = "pkg install ".$update;
 print &text('pkg_install', "<tt>$cmd</tt>"),"\n";
-print "<pre>";
+print "<pre data-installer>";
 &additional_log('exec', undef, $cmd);
 
 # Run it
diff --git a/software/pkgsrc-lib.pl b/software/pkgsrc-lib.pl
index 95f46b11c..4fe09aef5 100644
--- a/software/pkgsrc-lib.pl
+++ b/software/pkgsrc-lib.pl
@@ -223,7 +223,7 @@ my @rv;
 $update = join(" ", map { quotemeta($_) } split(/\s+/, $update));
 my $cmd = "pkgin -y install ".$update;
 print &text('pkgsrc_install', "<tt>$cmd</tt>"),"\n";
-print "<pre>";
+print "<pre data-installer>";
 &additional_log('exec', undef, $cmd);
 
 # Run it
diff --git a/software/rhn-lib.pl b/software/rhn-lib.pl
index dcb31a163..ce0d08812 100755
--- a/software/rhn-lib.pl
+++ b/software/rhn-lib.pl
@@ -16,7 +16,7 @@ sub update_system_install
 local $update = $_[0] || $in{'update'};
 local @rv;
 print &text('rhn_install', "<tt>up2date $update</tt>"),"\n";
-print "<pre>";
+print "<pre data-installer>";
 &additional_log('exec', undef, "up2date \"$update\"");
 local $qm = quotemeta($update);
 &open_execute_command(CMD, "up2date $qm", 2);
diff --git a/software/urpmi-lib.pl b/software/urpmi-lib.pl
index 4b07a205a..1fdb3b4f2 100755
--- a/software/urpmi-lib.pl
+++ b/software/urpmi-lib.pl
@@ -14,7 +14,7 @@ local $update = $_[0] || $in{'update'};
 local (@rv, @newpacks);
 local $cmd = "urpmi --force --auto";
 print &text('urpmi_install', "<tt>$cmd $update</tt>"),"\n";
-print "<pre>";
+print "<pre data-installer>";
 &additional_log('exec', undef, "$cmd $update");
 local $qm = join(" ", map { quotemeta($_) } split(/\s+/, $update));
 &open_execute_command(CMD, "$cmd $qm </dev/null", 2);
diff --git a/software/yum-lib.pl b/software/yum-lib.pl
index d18853f63..42722eab3 100755
--- a/software/yum-lib.pl
+++ b/software/yum-lib.pl
@@ -73,7 +73,7 @@ foreach my $u (@updates) {
 	}
 
 print &text('yum_install', "<tt>".&html_escape($uicmd)."</tt>"),"\n";
-print "<pre>";
+print "<pre data-installer>";
 &additional_log('exec', undef, $fullcmd);
 $SIG{'TERM'} = 'ignore';	# Installing webmin itself may kill this script
 &open_execute_command(CMD, "$fullcmd </dev/null", 2);