diff --git a/src/bin/initdb/initdb.c b/src/bin/initdb/initdb.c
index eb1be100c8..75d3d6f5f6 100644
--- a/src/bin/initdb/initdb.c
+++ b/src/bin/initdb/initdb.c
@@ -61,6 +61,7 @@
 #endif
 
 #include "catalog/catalog.h"
+#include "catalog/pg_authid.h"
 #include "common/file_utils.h"
 #include "common/restricted_token.h"
 #include "common/username.h"
@@ -1617,7 +1618,7 @@ setup_collation(FILE *cmdfd)
 	PG_CMD_PUTS("SELECT pg_import_system_collations(if_not_exists => false, schema => 'pg_catalog');\n\n");
 
 	/* Add an SQL-standard name */
-	PG_CMD_PRINTF2("INSERT INTO pg_collation (collname, collnamespace, collowner, collencoding, collcollate, collctype) VALUES ('ucs_basic', 'pg_catalog'::regnamespace, '%s'::regrole, %d, 'C', 'C');\n\n", escape_quotes(username), PG_UTF8);
+	PG_CMD_PRINTF2("INSERT INTO pg_collation (collname, collnamespace, collowner, collencoding, collcollate, collctype) VALUES ('ucs_basic', 'pg_catalog'::regnamespace, %u, %d, 'C', 'C');\n\n", BOOTSTRAP_SUPERUSERID, PG_UTF8);
 }
 
 /*