diff --git a/internal/cmd/branch/vtctld/move_tables.go b/internal/cmd/branch/vtctld/move_tables.go
index ac53bbb2..2cedf6a5 100644
--- a/internal/cmd/branch/vtctld/move_tables.go
+++ b/internal/cmd/branch/vtctld/move_tables.go
@@ -314,6 +314,7 @@ func MoveTablesSwitchTrafficCmd(ch *cmdutil.Helper) *cobra.Command {
 	cmd.Flags().Int64Var(&flags.maxReplicationLagAllowed, "max-replication-lag-allowed", 0, "Maximum replication lag allowed in seconds")
 	cmd.MarkFlagRequired("workflow")        // nolint:errcheck
 	cmd.MarkFlagRequired("target-keyspace") // nolint:errcheck
+	cmd.MarkFlagRequired("tablet-types")    // nolint:errcheck
 
 	return cmd
 }
diff --git a/internal/cmd/branch/vtctld/move_tables_test.go b/internal/cmd/branch/vtctld/move_tables_test.go
index f9df4fb9..c1ad301e 100644
--- a/internal/cmd/branch/vtctld/move_tables_test.go
+++ b/internal/cmd/branch/vtctld/move_tables_test.go
@@ -284,6 +284,30 @@ func TestMoveTablesSwitchTrafficWithMaxLag(t *testing.T) {
 	c.Assert(buf.String(), qt.JSONEquals, map[string]string{"summary": "switched"})
 }
 
+func TestMoveTablesSwitchTrafficRequiresTabletTypes(t *testing.T) {
+	c := qt.New(t)
+
+	org := "my-org"
+	db := "my-db"
+	branch := "my-branch"
+
+	svc := &mock.MoveTablesService{}
+	var buf bytes.Buffer
+	ch := moveTablesTestHelper(org, svc, &mock.VtctldService{}, &buf)
+
+	cmd := MoveTablesCmd(ch)
+	cmd.SetArgs([]string{"switch-traffic", db, branch,
+		"--workflow", "my-workflow",
+		"--target-keyspace", "target-ks",
+	})
+	err := cmd.Execute()
+
+	c.Assert(err, qt.IsNotNil)
+	c.Assert(err.Error(), qt.Contains, "required flag")
+	c.Assert(svc.SwitchTrafficFnInvoked, qt.IsFalse)
+	c.Assert(buf.String(), qt.Equals, "")
+}
+
 func TestMoveTablesReverseTrafficWithFlags(t *testing.T) {
 	c := qt.New(t)
 	setMoveTablesPollInterval(t, 0)
@@ -426,6 +450,7 @@ func TestMoveTablesSwitchTrafficOperationFailure(t *testing.T) {
 	cmd.SetArgs([]string{"switch-traffic", db, branch,
 		"--workflow", "my-workflow",
 		"--target-keyspace", "target-ks",
+		"--tablet-types", "PRIMARY",
 	})
 
 	err := cmd.Execute()
@@ -464,6 +489,7 @@ func TestMoveTablesSwitchTrafficOperationTimeout(t *testing.T) {
 	cmd.SetArgs([]string{"switch-traffic", db, branch,
 		"--workflow", "my-workflow",
 		"--target-keyspace", "target-ks",
+		"--tablet-types", "PRIMARY",
 	})
 
 	err := cmd.Execute()