diff --git a/Telegram/SourceFiles/mtproto/dc_options.cpp b/Telegram/SourceFiles/mtproto/dc_options.cpp
index 809931f3dd..059fcfcb68 100644
--- a/Telegram/SourceFiles/mtproto/dc_options.cpp
+++ b/Telegram/SourceFiles/mtproto/dc_options.cpp
@@ -408,6 +408,8 @@ bool DcOptions::getDcRSAKey(DcId dcId, const QVector<MTPlong> &fingerprints, int
 
 DcOptions::Variants DcOptions::lookup(DcId dcId, DcType type) const {
 	auto lookupDesiredFlags = [type](int address, int protocol) -> std::vector<MTPDdcOption::Flags> {
+		auto throughProxy = (Global::ConnectionType() != dbictAuto);
+
 		switch (type) {
 		case DcType::Regular:
 		case DcType::Temporary: {
@@ -416,11 +418,14 @@ DcOptions::Variants DcOptions::lookup(DcId dcId, DcType type) const {
 				switch (protocol) {
 				case Variants::Tcp: return {
 					// Regular TCP IPv4
+					throughProxy ? (MTPDdcOption::Flag::f_tcpo_only | MTPDdcOption::Flag::f_static) : qFlags(MTPDdcOption::Flag::f_tcpo_only),
+					throughProxy ? qFlags(MTPDdcOption::Flag::f_static) : MTPDdcOption::Flags(0),
 					qFlags(MTPDdcOption::Flag::f_tcpo_only),
 					MTPDdcOption::Flags(0)
 				};
 				case Variants::Http: return {
 					// Regular HTTP IPv4
+					throughProxy ? qFlags(MTPDdcOption::Flag::f_static) : MTPDdcOption::Flags(0),
 					MTPDdcOption::Flags(0),
 				};
 				}
@@ -429,11 +434,14 @@ DcOptions::Variants DcOptions::lookup(DcId dcId, DcType type) const {
 				switch (protocol) {
 				case Variants::Tcp: return {
 					// Regular TCP IPv6
+					throughProxy ? (MTPDdcOption::Flag::f_tcpo_only | MTPDdcOption::Flag::f_ipv6 | MTPDdcOption::Flag::f_static) : (MTPDdcOption::Flag::f_tcpo_only | MTPDdcOption::Flag::f_ipv6),
+					throughProxy ? (MTPDdcOption::Flag::f_ipv6 | MTPDdcOption::Flag::f_static) : qFlags(MTPDdcOption::Flag::f_ipv6),
 					(MTPDdcOption::Flag::f_tcpo_only | MTPDdcOption::Flag::f_ipv6),
 					qFlags(MTPDdcOption::Flag::f_ipv6),
 				};
 				case Variants::Http: return {
 					// Regular HTTP IPv6
+					throughProxy ? (MTPDdcOption::Flag::f_ipv6 | MTPDdcOption::Flag::f_static) : qFlags(MTPDdcOption::Flag::f_ipv6),
 					qFlags(MTPDdcOption::Flag::f_ipv6),
 				};
 				}
@@ -446,14 +454,20 @@ DcOptions::Variants DcOptions::lookup(DcId dcId, DcType type) const {
 				switch (protocol) {
 				case Variants::Tcp: return {
 					// Media download TCP IPv4
-					(MTPDdcOption::Flag::f_media_only | MTPDdcOption::Flag::f_tcpo_only),
-					qFlags(MTPDdcOption::Flag::f_tcpo_only),
+					throughProxy ? (MTPDdcOption::Flag::f_media_only | MTPDdcOption::Flag::f_tcpo_only | MTPDdcOption::Flag::f_static) : (MTPDdcOption::Flag::f_media_only | MTPDdcOption::Flag::f_tcpo_only),
+					throughProxy ? (MTPDdcOption::Flag::f_media_only | MTPDdcOption::Flag::f_static) : qFlags(MTPDdcOption::Flag::f_tcpo_only),
 					qFlags(MTPDdcOption::Flag::f_media_only),
+					throughProxy ? qFlags(MTPDdcOption::Flag::f_static) : MTPDdcOption::Flags(0),
+					(MTPDdcOption::Flag::f_media_only | MTPDdcOption::Flag::f_tcpo_only),
+					throughProxy ? (MTPDdcOption::Flag::f_tcpo_only | MTPDdcOption::Flag::f_static) : qFlags(MTPDdcOption::Flag::f_tcpo_only),
+					throughProxy ? qFlags(MTPDdcOption::Flag::f_tcpo_only) : qFlags(MTPDdcOption::Flag::f_media_only),
 					MTPDdcOption::Flags(0),
 				};
 				case Variants::Http: return {
 					// Media download HTTP IPv4
+					throughProxy ? (MTPDdcOption::Flag::f_media_only | MTPDdcOption::Flag::f_static) : qFlags(MTPDdcOption::Flag::f_media_only),
 					qFlags(MTPDdcOption::Flag::f_media_only),
+					throughProxy ? qFlags(MTPDdcOption::Flag::f_static) : MTPDdcOption::Flags(0),
 					MTPDdcOption::Flags(0),
 				};
 				}
@@ -462,14 +476,20 @@ DcOptions::Variants DcOptions::lookup(DcId dcId, DcType type) const {
 				switch (protocol) {
 				case Variants::Tcp: return {
 					// Media download TCP IPv6
-					(MTPDdcOption::Flag::f_media_only | MTPDdcOption::Flag::f_tcpo_only | MTPDdcOption::Flag::f_ipv6),
-					(MTPDdcOption::Flag::f_tcpo_only | MTPDdcOption::Flag::f_ipv6),
+					throughProxy ? (MTPDdcOption::Flag::f_media_only | MTPDdcOption::Flag::f_tcpo_only | MTPDdcOption::Flag::f_ipv6 | MTPDdcOption::Flag::f_static) : (MTPDdcOption::Flag::f_media_only | MTPDdcOption::Flag::f_tcpo_only | MTPDdcOption::Flag::f_ipv6),
+					throughProxy ? (MTPDdcOption::Flag::f_media_only | MTPDdcOption::Flag::f_ipv6 | MTPDdcOption::Flag::f_static) : (MTPDdcOption::Flag::f_tcpo_only | MTPDdcOption::Flag::f_ipv6),
 					(MTPDdcOption::Flag::f_media_only | MTPDdcOption::Flag::f_ipv6),
+					throughProxy ? (MTPDdcOption::Flag::f_ipv6 | MTPDdcOption::Flag::f_static) : qFlags(MTPDdcOption::Flag::f_ipv6),
+					(MTPDdcOption::Flag::f_media_only | MTPDdcOption::Flag::f_tcpo_only | MTPDdcOption::Flag::f_ipv6),
+					throughProxy ? (MTPDdcOption::Flag::f_tcpo_only | MTPDdcOption::Flag::f_ipv6 | MTPDdcOption::Flag::f_static) : (MTPDdcOption::Flag::f_tcpo_only | MTPDdcOption::Flag::f_ipv6),
+					throughProxy ? (MTPDdcOption::Flag::f_tcpo_only | MTPDdcOption::Flag::f_ipv6) : (MTPDdcOption::Flag::f_media_only | MTPDdcOption::Flag::f_ipv6),
 					qFlags(MTPDdcOption::Flag::f_ipv6)
 				};
 				case Variants::Http: return {
 					// Media download HTTP IPv6
+					throughProxy ? (MTPDdcOption::Flag::f_media_only | MTPDdcOption::Flag::f_ipv6 | MTPDdcOption::Flag::f_static) : (MTPDdcOption::Flag::f_media_only | MTPDdcOption::Flag::f_ipv6),
 					(MTPDdcOption::Flag::f_media_only | MTPDdcOption::Flag::f_ipv6),
+					throughProxy ? (MTPDdcOption::Flag::f_ipv6 | MTPDdcOption::Flag::f_static) : qFlags(MTPDdcOption::Flag::f_ipv6),
 					qFlags(MTPDdcOption::Flag::f_ipv6),
 				};
 				}
@@ -482,11 +502,14 @@ DcOptions::Variants DcOptions::lookup(DcId dcId, DcType type) const {
 				switch (protocol) {
 				case Variants::Tcp: return {
 					// CDN TCP IPv4
+					throughProxy ? (MTPDdcOption::Flag::f_cdn | MTPDdcOption::Flag::f_tcpo_only | MTPDdcOption::Flag::f_static) : (MTPDdcOption::Flag::f_cdn | MTPDdcOption::Flag::f_tcpo_only),
+					throughProxy ? (MTPDdcOption::Flag::f_cdn | MTPDdcOption::Flag::f_static) : qFlags(MTPDdcOption::Flag::f_cdn),
 					(MTPDdcOption::Flag::f_cdn | MTPDdcOption::Flag::f_tcpo_only),
 					qFlags(MTPDdcOption::Flag::f_cdn),
 				};
 				case Variants::Http: return {
 					// CDN HTTP IPv4
+					throughProxy ? (MTPDdcOption::Flag::f_cdn | MTPDdcOption::Flag::f_static) : qFlags(MTPDdcOption::Flag::f_cdn),
 					qFlags(MTPDdcOption::Flag::f_cdn),
 				};
 				}
@@ -495,11 +518,14 @@ DcOptions::Variants DcOptions::lookup(DcId dcId, DcType type) const {
 				switch (protocol) {
 				case Variants::Tcp: return {
 					// CDN TCP IPv6
+					throughProxy ? (MTPDdcOption::Flag::f_cdn | MTPDdcOption::Flag::f_ipv6 | MTPDdcOption::Flag::f_tcpo_only | MTPDdcOption::Flag::f_static) : (MTPDdcOption::Flag::f_cdn | MTPDdcOption::Flag::f_ipv6 | MTPDdcOption::Flag::f_tcpo_only),
+					throughProxy ? (MTPDdcOption::Flag::f_cdn | MTPDdcOption::Flag::f_ipv6 | MTPDdcOption::Flag::f_static) : (MTPDdcOption::Flag::f_cdn | MTPDdcOption::Flag::f_ipv6),
 					(MTPDdcOption::Flag::f_cdn | MTPDdcOption::Flag::f_tcpo_only | MTPDdcOption::Flag::f_ipv6),
 					(MTPDdcOption::Flag::f_cdn | MTPDdcOption::Flag::f_ipv6),
 				};
 				case Variants::Http: return {
 					// CDN HTTP IPv6
+					throughProxy ? (MTPDdcOption::Flag::f_cdn | MTPDdcOption::Flag::f_ipv6 | MTPDdcOption::Flag::f_static) : (MTPDdcOption::Flag::f_cdn | MTPDdcOption::Flag::f_ipv6),
 					(MTPDdcOption::Flag::f_cdn | MTPDdcOption::Flag::f_ipv6),
 				};
 				}