3 files changed, 3 insertions, 3 deletions
diff --git a/src/backend/bootstrap/bootparse.y b/src/backend/bootstrap/bootparse.y
index 64757a97029..5585e9b6b9b 100644
--- a/src/backend/bootstrap/bootparse.y
+++ b/src/backend/bootstrap/bootparse.y
@@ -93,7 +93,7 @@ static int num_columns_read = 0;
 %}
 
 %expect 0
-%name-prefix "boot_yy"
+%name-prefix="boot_yy"
 
 %union
 {
diff --git a/src/backend/parser/gram.y b/src/backend/parser/gram.y
index c00e410377d..7b9895d61ec 100644
--- a/src/backend/parser/gram.y
+++ b/src/backend/parser/gram.y
@@ -169,7 +169,7 @@ static Node *makeRecursiveViewSelect(char *relname, List *aliases, Node *query);
 
 %pure-parser
 %expect 0
-%name-prefix "base_yy"
+%name-prefix="base_yy"
 %locations
 
 %parse-param {core_yyscan_t yyscanner}
diff --git a/src/backend/replication/repl_gram.y b/src/backend/replication/repl_gram.y
index f369da3024b..154aaace9f5 100644
--- a/src/backend/replication/repl_gram.y
+++ b/src/backend/replication/repl_gram.y
@@ -40,7 +40,7 @@ Node *replication_parse_result;
 %}
 
 %expect 0
-%name-prefix "replication_yy"
+%name-prefix="replication_yy"
 
 %union {
 		char					*str;