diff --git a/source4/pidl/lib/Parse/Pidl/Wireshark/NDR.pm b/source4/pidl/lib/Parse/Pidl/Wireshark/NDR.pm
index 1fb9c4034fc..ac923bef74a 100644
--- a/source4/pidl/lib/Parse/Pidl/Wireshark/NDR.pm
+++ b/source4/pidl/lib/Parse/Pidl/Wireshark/NDR.pm
@@ -920,12 +920,12 @@ sub Parse($$$$$)
 	$self->{res}->{headers} .= "#include \"config.h\"\n";
 	$self->{res}->{headers} .= "#endif\n\n";
 
-	$res{headers} .= "#ifdef _MSC_VER\n";
-	$res{headers} .= "#pragma warning(disable:4005)\n";
-	$res{headers} .= "#pragma warning(disable:4013)\n";
-	$res{headers} .= "#pragma warning(disable:4018)\n";
-	$res{headers} .= "#pragma warning(disable:4101)\n";
-	$res{headers} .= "#endif\n\n";
+	$self->{res}->{headers} .= "#ifdef _MSC_VER\n";
+	$self->{res}->{headers} .= "#pragma warning(disable:4005)\n";
+	$self->{res}->{headers} .= "#pragma warning(disable:4013)\n";
+	$self->{res}->{headers} .= "#pragma warning(disable:4018)\n";
+	$self->{res}->{headers} .= "#pragma warning(disable:4101)\n";
+	$self->{res}->{headers} .= "#endif\n\n";
 
 	$self->{res}->{headers} .= "#include <glib.h>\n";
 	$self->{res}->{headers} .= "#include <string.h>\n";