diff --git a/camlibs/ptp2/config.c b/camlibs/ptp2/config.c
index 454ba14d4..46ab0e428 100644
--- a/camlibs/ptp2/config.c
+++ b/camlibs/ptp2/config.c
@@ -8186,6 +8186,7 @@ static struct submenu capture_settings_menu[] = {
 	{ N_("Auto Focus Mode 2"),              "autofocusmode2",           PTP_DPC_NIKON_A4AFActivation,           PTP_VENDOR_NIKON,   PTP_DTC_UINT8,  _get_Nikon_OnOff_UINT8,             _put_Nikon_OnOff_UINT8 },
 	{ N_("Zoom"),                           "zoom",                     PTP_DPC_CANON_Zoom,                     PTP_VENDOR_CANON,   PTP_DTC_UINT16, _get_Canon_ZoomRange,               _put_Canon_ZoomRange },
 	{ N_("Zoom"),                           "zoom",                     PTP_DPC_CANON_EOS_PowerZoomPosition,    PTP_VENDOR_CANON,   PTP_DTC_UINT32, _get_INT,                           _put_INT },
+	{ N_("Zoom Speed"),                     "zoomspeed",                PTP_DPC_CANON_EOS_PowerZoomSpeed,       PTP_VENDOR_CANON,   PTP_DTC_UINT32, _get_INT,                           _put_INT },
 	{ N_("Assist Light"),                   "assistlight",              PTP_DPC_CANON_AssistLight,              PTP_VENDOR_CANON,   PTP_DTC_UINT16, _get_Canon_AssistLight,             _put_Canon_AssistLight },
 	{ N_("Rotation Flag"),                  "autorotation",             PTP_DPC_CANON_RotationScene,            PTP_VENDOR_CANON,   PTP_DTC_UINT16, _get_Canon_AutoRotation,            _put_Canon_AutoRotation },
 	{ N_("Self Timer"),                     "selftimer",                PTP_DPC_CANON_SelfTime,                 PTP_VENDOR_CANON,   PTP_DTC_UINT16, _get_Canon_SelfTimer,               _put_Canon_SelfTimer },
diff --git a/camlibs/ptp2/ptp-pack.c b/camlibs/ptp2/ptp-pack.c
index 47ed03ad8..70a36a4d4 100644
--- a/camlibs/ptp2/ptp-pack.c
+++ b/camlibs/ptp2/ptp-pack.c
@@ -2228,6 +2228,7 @@ ptp_unpack_CANON_changes (PTPParams *params, unsigned char* data, int datasize,
 				case PTP_DPC_CANON_EOS_MirrorUpSetting:
 				case PTP_DPC_CANON_EOS_OLCInfoVersion:
 				case PTP_DPC_CANON_EOS_PowerZoomPosition:
+				case PTP_DPC_CANON_EOS_PowerZoomSpeed:
 					dpd->DataType = PTP_DTC_UINT32;
 					break;
 				/* enumeration for AEM is never provided, but is available to set */