diff --git a/db/Changelog.txt b/db/Changelog.txt
index 1ebbca64ae..cb832f7450 100644
--- a/db/Changelog.txt
+++ b/db/Changelog.txt
@@ -27,6 +27,7 @@
 
 =========================
 04/21
+	* Fixed selling price of research chart(ID 7347) thanks to Muad_Dib [Playtester]
 	* Fixed some drops of the Bio Lab 1&2 mobs [Playtester]
 	* Fixed more elements of Bio Lab mobs [Playtester]
 04/20
diff --git a/db/item_db.txt b/db/item_db.txt
index 595f9b2db1..f891b4d399 100644
--- a/db/item_db.txt
+++ b/db/item_db.txt
@@ -1961,7 +1961,7 @@
 7344,Cinocas_Case_File,Cinocas Case File,3,,10,0,,,,,,,,,,,,,{},{},{}
 7345,Handcuffs,Handcuffs,3,,362,10,,,,,,,,,,,,,{},{},{}
 7346,Ymir's_Heart_Piece,Ymir's Heart Piece,3,,10,0,,,,,,,,,,,,,{},{},{}
-7347,Research_Chart,Research Chart,3,,10,10,,,,,,,,,,,,,{},{},{}
+7347,Research_Chart,Research Chart,3,,420,10,,,,,,,,,,,,,{},{},{}
 7348,Membership_Card,Membership Card,3,,10,10,,,,,,,,,,,,,{},{},{}
 7349,Archive_Permit,Archive Permit,3,,10,0,,,,,,,,,,,,,{},{},{}
 7350,Pass,Pass,3,,10,10,,,,,,,,,,,,,{},{},{}