--- src/conversions/bitstring/plruby_bitstring.c.orig	2011-09-12 10:59:01.000000000 +0200
+++ src/conversions/bitstring/plruby_bitstring.c	2011-09-12 11:01:31.000000000 +0200
@@ -195,8 +195,13 @@
 }
 
 BIT_OPERATOR(pl_bit_add, bitcat);
+#if PG_PL_VERSION >= 91
+BIT_OPERATOR(pl_bit_and, bit_and);
+BIT_OPERATOR(pl_bit_or, bit_or);
+#else
 BIT_OPERATOR(pl_bit_and, bitand);
 BIT_OPERATOR(pl_bit_or, bitor);
+#endif
 BIT_OPERATOR(pl_bit_xor, bitxor);
 
 static VALUE