diff --git a/tc/emp_ematch.y b/tc/emp_ematch.y
index 2e6cf353..a02e831a 100644
--- a/tc/emp_ematch.y
+++ b/tc/emp_ematch.y
@@ -8,8 +8,8 @@
 
 %locations
 %token-table
-%error-verbose
-%name-prefix "ematch_"
+%define parse.error verbose
+%define api.prefix {ematch_}
 
 %union {
 	unsigned int i;