diff --git a/src/atombios_output.c b/src/atombios_output.c
index 57345b3..41b5d73 100644
--- a/src/atombios_output.c
+++ b/src/atombios_output.c
@@ -1191,7 +1191,7 @@ atombios_output_scaler_setup(xf86OutputPtr output)
 
     if (RHDAtomBiosFunc(info->atomBIOS->scrnIndex, info->atomBIOS, ATOMBIOS_EXEC, &data) == ATOM_SUCCESS) {
 	if (radeon_output->active_device & (ATOM_DEVICE_CV_SUPPORT | ATOM_DEVICE_TV_SUPPORT)
-	    && info->ChipFamily >= CHIP_FAMILY_RV515 && info->ChipFamily <= CHIP_FAMILY_RV570) {
+	    && info->ChipFamily >= CHIP_FAMILY_RV515 && info->ChipFamily <= CHIP_FAMILY_RS740) {
 	    ErrorF("forcing TV scaler\n");
 	    atom_rv515_force_tv_scaler(output->scrn, radeon_crtc);
 	}