diff --git a/src/game/server/score/sql_score.cpp b/src/game/server/score/sql_score.cpp
index 56a833af3..158d76cca 100644
--- a/src/game/server/score/sql_score.cpp
+++ b/src/game/server/score/sql_score.cpp
@@ -168,7 +168,7 @@ void CSqlScore::Init()
 			str_format(aBuf, sizeof(aBuf), "CREATE TABLE IF NOT EXISTS %s_teamrace (Map VARCHAR(128) BINARY NOT NULL, Name VARCHAR(%d) BINARY NOT NULL, Timestamp TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP, Time FLOAT DEFAULT 0, ID VARBINARY(16) NOT NULL, KEY Name (Name)) CHARACTER SET utf8 ;", m_pPrefix, MAX_NAME_LENGTH);
 			m_pStatement->execute(aBuf);
 
-			str_format(aBuf, sizeof(aBuf), "CREATE TABLE IF NOT EXISTS %s_maps (Map VARCHAR(128) BINARY NOT NULL, Server VARCHAR(32) BINARY NOT NULL, Points INT DEFAULT 0, KEY Map (Map)) CHARACTER SET utf8 ;", m_pPrefix);
+			str_format(aBuf, sizeof(aBuf), "CREATE TABLE IF NOT EXISTS %s_maps (Map VARCHAR(128) BINARY NOT NULL, Server VARCHAR(32) BINARY NOT NULL, Points INT DEFAULT 0, UNIQUE KEY Map (Map)) CHARACTER SET utf8 ;", m_pPrefix);
 			m_pStatement->execute(aBuf);
 
 			dbg_msg("SQL", "Tables were created successfully");