diff --git a/pidl/tests/wireshark-ndr.pl b/pidl/tests/wireshark-ndr.pl
index 229315b0a90..fd2fa55357f 100755
--- a/pidl/tests/wireshark-ndr.pl
+++ b/pidl/tests/wireshark-ndr.pl
@@ -234,7 +234,7 @@ is($x->DumpHfList(), "\tstatic hf_register_info hf[] = {
 
 is($x->DumpHfDeclaration(), "
 /* Header field declarations */
-static gint hf_bla = -1;
+static gint hf_bla;
 
 ");