diff --git a/dlls/msi/cond.y b/dlls/msi/cond.y
index 2e252be5f4f..8ba6916af1b 100644
--- a/dlls/msi/cond.y
+++ b/dlls/msi/cond.y
@@ -117,7 +117,7 @@ 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 2101c680eb3..2cc280c9cf1 100644
--- a/dlls/msi/sql.y
+++ b/dlls/msi/sql.y
@@ -62,7 +62,7 @@ static struct expr * EXPR_wildcard( void *info );
 
 %lex-param { SQL_input *info }
 %parse-param { SQL_input *info }
-%pure-parser
+%define api.pure
 
 %union
 {