diff --git a/server/djrandom/model/mp3.py b/server/djrandom/model/mp3.py
index 92e0ce9d90c31fa6306f05347ad813c731846880..13cc5fc5421c842ec99f3ae0367699f077f09530 100644
--- a/server/djrandom/model/mp3.py
+++ b/server/djrandom/model/mp3.py
@@ -23,7 +23,7 @@ class Features(Base):
     __tablename__ = 'features'
 
     sha1 = Column(String(40), primary_key=True)
-    timbre_vector = Column(Text())
+    timbre_vector = Column(LargeBinary())
 
 
 class MP3(Base):