diff --git a/internal/dbtest/query_test.go b/internal/dbtest/query_test.go
index 2143bb6de..65a7d8f06 100644
--- a/internal/dbtest/query_test.go
+++ b/internal/dbtest/query_test.go
@@ -334,12 +334,12 @@ func TestQuery(t *testing.T) {
 			// "nullzero" marshals zero values as DEFAULT or NULL (if DEFAULT placeholder is not supported)
 			// DB drivers which support DEFAULT placeholder resolve it to NULL for columns that do not have a DEFAULT value.
 			type Model struct {
-				Int  int64     `bun:",nullzero"`
-				Uint uint64    `bun:",nullzero"`
-				Str  string    `bun:",nullzero"`
-				Time time.Time `bun:",nullzero"`
-				Bool bool      `bun:",nullzero"`
-				// EmptyStr string    `bun:",nullzero"` -- same as Str
+				Int      int64     `bun:",nullzero"`
+				Uint     uint64    `bun:",nullzero"`
+				Str      string    `bun:",nullzero"`
+				Time     time.Time `bun:",nullzero"`
+				Bool     bool      `bun:",nullzero"`
+				EmptyStr string    `bun:",nullzero"` // same as Str
 			}
 			return db.NewInsert().Model(new(Model))
 		},
diff --git a/internal/dbtest/testdata/snapshots/TestQuery-mariadb-51 b/internal/dbtest/testdata/snapshots/TestQuery-mariadb-51
index c2b0cb082..80790e98f 100644
--- a/internal/dbtest/testdata/snapshots/TestQuery-mariadb-51
+++ b/internal/dbtest/testdata/snapshots/TestQuery-mariadb-51
@@ -1 +1 @@
-INSERT INTO `models` (`int`, `uint`, `str`, `time`, `bool`) VALUES (DEFAULT, DEFAULT, DEFAULT, DEFAULT, DEFAULT) RETURNING `int`, `uint`, `str`, `time`, `bool`
+INSERT INTO `models` (`int`, `uint`, `str`, `time`, `bool`, `empty_str`) VALUES (DEFAULT, DEFAULT, DEFAULT, DEFAULT, DEFAULT, DEFAULT) RETURNING `int`, `uint`, `str`, `time`, `bool`, `empty_str`
diff --git a/internal/dbtest/testdata/snapshots/TestQuery-mssql2019-51 b/internal/dbtest/testdata/snapshots/TestQuery-mssql2019-51
index 80ad75d70..280b492a1 100644
--- a/internal/dbtest/testdata/snapshots/TestQuery-mssql2019-51
+++ b/internal/dbtest/testdata/snapshots/TestQuery-mssql2019-51
@@ -1 +1 @@
-INSERT INTO "models" ("int", "uint", "str", "time", "bool") VALUES (DEFAULT, DEFAULT, DEFAULT, DEFAULT, DEFAULT)
+INSERT INTO "models" ("int", "uint", "str", "time", "bool", "empty_str") VALUES (DEFAULT, DEFAULT, DEFAULT, DEFAULT, DEFAULT, DEFAULT)
diff --git a/internal/dbtest/testdata/snapshots/TestQuery-mysql5-51 b/internal/dbtest/testdata/snapshots/TestQuery-mysql5-51
index b1621f1c7..258004f51 100644
--- a/internal/dbtest/testdata/snapshots/TestQuery-mysql5-51
+++ b/internal/dbtest/testdata/snapshots/TestQuery-mysql5-51
@@ -1 +1 @@
-INSERT INTO `models` (`int`, `uint`, `str`, `time`, `bool`) VALUES (DEFAULT, DEFAULT, DEFAULT, DEFAULT, DEFAULT)
+INSERT INTO `models` (`int`, `uint`, `str`, `time`, `bool`, `empty_str`) VALUES (DEFAULT, DEFAULT, DEFAULT, DEFAULT, DEFAULT, DEFAULT)
diff --git a/internal/dbtest/testdata/snapshots/TestQuery-mysql8-51 b/internal/dbtest/testdata/snapshots/TestQuery-mysql8-51
index b1621f1c7..258004f51 100644
--- a/internal/dbtest/testdata/snapshots/TestQuery-mysql8-51
+++ b/internal/dbtest/testdata/snapshots/TestQuery-mysql8-51
@@ -1 +1 @@
-INSERT INTO `models` (`int`, `uint`, `str`, `time`, `bool`) VALUES (DEFAULT, DEFAULT, DEFAULT, DEFAULT, DEFAULT)
+INSERT INTO `models` (`int`, `uint`, `str`, `time`, `bool`, `empty_str`) VALUES (DEFAULT, DEFAULT, DEFAULT, DEFAULT, DEFAULT, DEFAULT)
diff --git a/internal/dbtest/testdata/snapshots/TestQuery-pg-51 b/internal/dbtest/testdata/snapshots/TestQuery-pg-51
index 55e65e615..af8c1f986 100644
--- a/internal/dbtest/testdata/snapshots/TestQuery-pg-51
+++ b/internal/dbtest/testdata/snapshots/TestQuery-pg-51
@@ -1 +1 @@
-INSERT INTO "models" ("int", "uint", "str", "time", "bool") VALUES (DEFAULT, DEFAULT, DEFAULT, DEFAULT, DEFAULT) RETURNING "int", "uint", "str", "time", "bool"
+INSERT INTO "models" ("int", "uint", "str", "time", "bool", "empty_str") VALUES (DEFAULT, DEFAULT, DEFAULT, DEFAULT, DEFAULT, DEFAULT) RETURNING "int", "uint", "str", "time", "bool", "empty_str"
diff --git a/internal/dbtest/testdata/snapshots/TestQuery-pgx-51 b/internal/dbtest/testdata/snapshots/TestQuery-pgx-51
index 55e65e615..af8c1f986 100644
--- a/internal/dbtest/testdata/snapshots/TestQuery-pgx-51
+++ b/internal/dbtest/testdata/snapshots/TestQuery-pgx-51
@@ -1 +1 @@
-INSERT INTO "models" ("int", "uint", "str", "time", "bool") VALUES (DEFAULT, DEFAULT, DEFAULT, DEFAULT, DEFAULT) RETURNING "int", "uint", "str", "time", "bool"
+INSERT INTO "models" ("int", "uint", "str", "time", "bool", "empty_str") VALUES (DEFAULT, DEFAULT, DEFAULT, DEFAULT, DEFAULT, DEFAULT) RETURNING "int", "uint", "str", "time", "bool", "empty_str"
diff --git a/internal/dbtest/testdata/snapshots/TestQuery-sqlite-51 b/internal/dbtest/testdata/snapshots/TestQuery-sqlite-51
index cbef01565..fd15e70ab 100644
--- a/internal/dbtest/testdata/snapshots/TestQuery-sqlite-51
+++ b/internal/dbtest/testdata/snapshots/TestQuery-sqlite-51
@@ -1 +1 @@
-INSERT INTO "models" ("int", "uint", "str", "time", "bool") VALUES (NULL, NULL, NULL, NULL, NULL) RETURNING "int", "uint", "str", "time", "bool"
+INSERT INTO "models" ("int", "uint", "str", "time", "bool", "empty_str") VALUES (NULL, NULL, NULL, NULL, NULL, NULL) RETURNING "int", "uint", "str", "time", "bool", "empty_str"