diff --git a/globals.c b/globals.c
index feb19cc..e64461f 100644
--- a/globals.c
+++ b/globals.c
@@ -430,7 +430,7 @@
     NULL,
     xmlSAX2Characters,
     xmlSAX2IgnorableWhitespace,
-    NULL,
+    xmlSAX2ProcessingInstruction,
     xmlSAX2Comment,
     xmlParserWarning,
     xmlParserError,