diff --git a/src/map/clif.cpp b/src/map/clif.cpp
index bdbf1063fa..2bfc58edbb 100644
--- a/src/map/clif.cpp
+++ b/src/map/clif.cpp
@@ -9158,20 +9158,17 @@ void clif_guild_message( const struct mmo_guild& g, uint32 account_id, const cha
 		clif_send(buf, WBUFW(buf,2), &sd->bl, GUILD_NOBG);
 }
 
-/// Request for guild alliance (ZC_REQ_ALLY_GUILD).
-/// 0171 <inviter account id>.L <guild name>.24B
-void clif_guild_reqalliance(map_session_data *sd,uint32 account_id,const char *name)
+/// Request for guild alliance 
+/// 0171 <inviter account id>.L <guild name>.24B (ZC_REQ_ALLY_GUILD).
+void clif_guild_reqalliance(map_session_data& sd,uint32 account_id,const char *name)
 {
-	int fd;
+	PACKET_ZC_REQ_ALLY_GUILD p{};
 
-	nullpo_retv(sd);
+	p.packetType = HEADER_ZC_REQ_ALLY_GUILD;
+	p.inviterId = account_id;
+	safestrncpy(p.inviterGuildName,name,sizeof(p.inviterGuildName));
 
-	fd=sd->fd;
-	WFIFOHEAD(fd,packet_len(0x171));
-	WFIFOW(fd,0)=0x171;
-	WFIFOL(fd,2)=account_id;
-	safestrncpy(WFIFOCP(fd,6),name,NAME_LENGTH);
-	WFIFOSET(fd,packet_len(0x171));
+	clif_send(&p,sizeof(p),&sd.bl,SELF);
 }
 
 
diff --git a/src/map/clif.hpp b/src/map/clif.hpp
index 565c79a1c7..1dfddd9a24 100644
--- a/src/map/clif.hpp
+++ b/src/map/clif.hpp
@@ -1058,7 +1058,7 @@ void clif_guild_emblem(const map_session_data &sd, const struct mmo_guild &g);
 void clif_guild_emblem_area(struct block_list* bl);
 void clif_guild_notice( map_session_data& sd );
 void clif_guild_message( const struct mmo_guild& g, uint32 account_id, const char* mes, size_t len );
-void clif_guild_reqalliance(map_session_data *sd,uint32 account_id,const char *name);
+void clif_guild_reqalliance(map_session_data& sd,uint32 account_id,const char *name);
 void clif_guild_allianceack(map_session_data *sd,int flag);
 void clif_guild_delalliance(map_session_data *sd,int guild_id,int flag);
 void clif_guild_oppositionack(map_session_data *sd,int flag);
diff --git a/src/map/clif_packetdb.hpp b/src/map/clif_packetdb.hpp
index b2e982276c..af9465fdcf 100644
--- a/src/map/clif_packetdb.hpp
+++ b/src/map/clif_packetdb.hpp
@@ -191,7 +191,6 @@
 	packet(0x016d,14);
 	parseable_packet(0x016e,186,clif_parse_GuildChangeNotice,2,6,66);
 	parseable_packet(0x0170,14,clif_parse_GuildRequestAlliance,2,6,10);
-	packet(0x0171,30);
 	parseable_packet(0x0172,10,clif_parse_GuildReplyAlliance,2,6);
 	packet(0x0173,3);
 	packet(0x0174,-1);
diff --git a/src/map/guild.cpp b/src/map/guild.cpp
index 8023786359..660ad64f6f 100644
--- a/src/map/guild.cpp
+++ b/src/map/guild.cpp
@@ -1901,7 +1901,7 @@ int guild_reqalliance(map_session_data *sd,map_session_data *tsd) {
 	tsd->guild_alliance=sd->status.guild_id;
 	tsd->guild_alliance_account=sd->status.account_id;
 
-	clif_guild_reqalliance(tsd,sd->status.account_id,g->guild.name);
+	clif_guild_reqalliance(*tsd,sd->status.account_id,g->guild.name);
 	return 0;
 }
 
diff --git a/src/map/packets.hpp b/src/map/packets.hpp
index 7bf442f123..224cb01bab 100644
--- a/src/map/packets.hpp
+++ b/src/map/packets.hpp
@@ -760,6 +760,13 @@ struct PACKET_ZC_OPEN_EDITDLGSTR {
 } __attribute__((packed));
 DEFINE_PACKET_HEADER(ZC_OPEN_EDITDLGSTR, 0x1d4)
 
+struct PACKET_ZC_REQ_ALLY_GUILD {
+	int16 packetType;
+	uint32 inviterId;
+	char inviterGuildName[NAME_LENGTH];
+} __attribute__((packed));
+DEFINE_PACKET_HEADER(ZC_REQ_ALLY_GUILD, 0x171)
+
 struct PACKET_ZC_COMPASS {
 	int16 packetType;
 	uint32 npcId;