1 files changed, 3 insertions, 3 deletions
diff --git a/testserver.pl b/testserver.pl
index 2ab48f375..d827c80ea 100755
--- a/testserver.pl
+++ b/testserver.pl
@@ -40,7 +40,7 @@ my @pscmds = ('ps -eo comm,gid', 'ps -acxo command,gid', 'ps -acxo command,rgid'
 my $sgid = 0;
 if (!ON_WINDOWS) {
     foreach my $pscmd (@pscmds) {
-        open PH, "$pscmd 2>/dev/null |";
+        open PH, '-|', "$pscmd 2>/dev/null";
         while (my $line = <PH>) {
             if ($line =~ /^(?:\S*\/)?(?:httpd|apache?)2?\s+(\d+)$/) {
                 $sgid = $1 if $1 > $sgid;
@@ -267,7 +267,7 @@ sub check_image {
 
 sub create_file {
     my ($filename, $content) = @_;
-    open(FH, ">$filename")
+    open(FH, ">", $filename)
         or die "Failed to create $filename: $!\n";
     binmode FH;
     print FH $content;
@@ -276,7 +276,7 @@ sub create_file {
 
 sub read_file {
     my ($filename) = @_;
-    open(FH, $filename)
+    open(FH, '<', $filename)
         or die "Failed to open $filename: $!\n";
     binmode FH;
     my $content = <FH>;