diff --git a/html/cgi-bin/pakfire.cgi b/html/cgi-bin/pakfire.cgi
index f2381f031..4d6eee284 100644
--- a/html/cgi-bin/pakfire.cgi
+++ b/html/cgi-bin/pakfire.cgi
@@ -44,8 +44,6 @@ $cgiparams{'VALID'} = '';
 $cgiparams{'INSPAKS'} = '';
 $cgiparams{'DELPAKS'} = '';
 
-my $page_lock;
-
 sub refreshpage{&Header::openbox( 'Waiting', 1, "<meta http-equiv='refresh' content='1;'>" );print "<center><img src='/images/clock.gif' alt='' /><br/><font color='red'>$Lang::tr{'pagerefresh'}</font></center>";&Header::closebox();}
 
 &Header::getcgihash(\%cgiparams);
@@ -59,9 +57,8 @@ sub refreshpage{&Header::openbox( 'Waiting', 1, "<meta http-equiv='refresh' cont
 if (($cgiparams{'ACTION'} eq 'install') && (! -e $Pakfire::lockfile)) {
 	my @pkgs = split(/\|/, $cgiparams{'INSPAKS'});
 	if ("$cgiparams{'FORCE'}" eq "on") {
-		# Lock the page.
-		$page_lock = "1";
 		&General::system_background("/usr/local/bin/pakfire", "install", "--non-interactive", "--no-colors", @pkgs);
+		sleep(1);
 	} else {
 		&Header::openbox("100%", "center", $Lang::tr{'request'});
 		my @output = &General::system_output("/usr/local/bin/pakfire", "resolvedeps", "--no-colors", @pkgs);
@@ -98,9 +95,8 @@ END
 } elsif (($cgiparams{'ACTION'} eq 'remove') && (! -e $Pakfire::lockfile)) {
 	my @pkgs = split(/\|/, $cgiparams{'DELPAKS'});
 	if ("$cgiparams{'FORCE'}" eq "on") {
-		# Lock the page.
-		$page_lock = "1";
 		&General::system_background("/usr/local/bin/pakfire", "remove", "--non-interactive", "--no-colors", @pkgs);
+		sleep(1);
 	} else {
 		&Header::openbox("100%", "center", $Lang::tr{'request'});
 		my @output = &General::system_output("/usr/local/bin/pakfire", "resolvedeps", "--no-colors", @pkgs);
@@ -136,13 +132,11 @@ END
 	}
 
 } elsif (($cgiparams{'ACTION'} eq 'update') && (! -e $Pakfire::lockfile)) {
-	# Set variable to lock the page.
-	$page_lock = "1";
 	&General::system_background("/usr/local/bin/pakfire", "update", "--force", "--no-colors");
+	sleep(1);
 } elsif (($cgiparams{'ACTION'} eq 'upgrade') && (!-e $Pakfire::lockfile)) {
-	# Lock the page.
-	$page_lock = "1";
 	&General::system_background("/usr/local/bin/pakfire", "upgrade", "-y", "--no-colors");
+	sleep(1);
 } elsif ($cgiparams{'ACTION'} eq "$Lang::tr{'save'}") {
 	$pakfiresettings{"TREE"} = $cgiparams{"TREE"};
 
@@ -156,6 +150,7 @@ END
 
 		# Update lists
 		&General::system_background("/usr/local/bin/pakfire", "update", "--force", "--no-colors");
+		sleep(1);
 	}
 }
 
@@ -177,44 +172,12 @@ if ($errormessage) {
 	&Header::closebox();
 }
 
-# Check if a page lock is required.
-if ($page_lock) {
-	&Header::openbox('Waiting', 1, ,);
-		print <<END;
-		<table>
-			<tr>
-				<td>
-					<img src='/images/indicator.gif' alt='$Lang::tr{'active'}' title='$Lang::tr{'active'}'>
-				</td>
+# Check if pakfire is already running.
+#
+# The system backpipe command is safe, because no user input is computed.
+my $pid = `pidof pakfire`;
 
-				<td>
-					$Lang::tr{'pakfire working'}
-				</td>
-			</tr>
-		</table>
-END
-	&Header::closebox();
-
-	# Infinite loop to lock the page until pakfire lockfile is present.
-	while($page_lock) {
-		unless (-e $Pakfire::lockfile) {
-			sleep(1);
-		} else {
-			# Release page lock.
-			undef($page_lock);
-
-			# Break loop.
-			last;
-		}
-	}
-
-	# Perform page reload.
-	print "<meta http-equiv='refresh' content='1;'>\n";
-	exit;
-}
-
-# Check if pakfire is already running. In this case a lockfile is present.
-if (-e $Pakfire::lockfile) {
+if ($pid) {
 	&Header::openbox( 'Waiting', 1, "<meta http-equiv='refresh' content='10;'>" );
 	print <<END;
 	<table>