diff --git a/dlls/msi/cond.y b/dlls/msi/cond.y
index 2183d1edf40..1a79de31bf8 100644
--- a/dlls/msi/cond.y
+++ b/dlls/msi/cond.y
@@ -114,7 +114,7 @@ static void value_free( struct value val )
 
 %lex-param { COND_input *info }
 %parse-param { COND_input *info }
-%pure-parser
+%define api.pure
 
 %union
 {
diff --git a/dlls/msi/sql.y b/dlls/msi/sql.y
index 50092abacf9..8ffbcd4de58 100644
--- a/dlls/msi/sql.y
+++ b/dlls/msi/sql.y
@@ -58,7 +58,7 @@ static struct expr * EXPR_wildcard( void *info );
 
 %lex-param { SQL_input *info }
 %parse-param { SQL_input *info }
-%pure-parser
+%define api.pure
 
 %union
 {