--- xapian-core-1.3.1/queryparser/queryparser_internal.cc
+++ xapian-core-1.3.1/queryparser/queryparser_internal.cc
@@ -1719,10 +1719,10 @@
 }
 
 // Helper macro for converting a boolean operation into a Xapian::Query.
-#define BOOL_OP_TO_QUERY(E, A, OP, B, OP_TXT) \
+#define BOOL_OP_TO_QUERY(E, A, OP, B, OPTXT) \
     do {\
 	if (!A || !B) {\
-	    state->error = "Syntax: <expression> "OP_TXT" <expression>";\
+	    state->error = "Syntax: <expression> " OPTXT " <expression>";\
 	    yy_parse_failed(yypParser);\
 	    return;\
 	}\
--- xapian-core-1.3.1/queryparser/queryparser.lemony
+++ xapian-core-1.3.1/queryparser/queryparser.lemony
@@ -1710,10 +1710,10 @@
 }
 
 // Helper macro for converting a boolean operation into a Xapian::Query.
-#define BOOL_OP_TO_QUERY(E, A, OP, B, OP_TXT) \
+#define BOOL_OP_TO_QUERY(E, A, OP, B, OPTXT) \
     do {\
 	if (!A || !B) {\
-	    state->error = "Syntax: <expression> "OP_TXT" <expression>";\
+	    state->error = "Syntax: <expression> " OPTXT " <expression>";\
 	    yy_parse_failed(yypParser);\
 	    return;\
 	}\