diff --git a/lbry/wallet/server/db/prefixes.py b/lbry/wallet/server/db/prefixes.py
index 53e17596c..3b9108da4 100644
--- a/lbry/wallet/server/db/prefixes.py
+++ b/lbry/wallet/server/db/prefixes.py
@@ -658,6 +658,13 @@ class ClaimToSupportPrefixRow(PrefixRow):
     key_struct = struct.Struct(b'>20sLH')
     value_struct = struct.Struct(b'>Q')
 
+    key_part_lambdas = [
+        lambda: b'',
+        struct.Struct(b'>20s').pack,
+        struct.Struct(b'>20sL').pack,
+        struct.Struct(b'>20sLH').pack
+    ]
+
     @classmethod
     def pack_key(cls, claim_hash: bytes, tx_num: int, position: int):
         return super().pack_key(claim_hash, tx_num, position)
diff --git a/lbry/wallet/server/leveldb.py b/lbry/wallet/server/leveldb.py
index f1ea674ea..82b5e4d4a 100644
--- a/lbry/wallet/server/leveldb.py
+++ b/lbry/wallet/server/leveldb.py
@@ -189,13 +189,13 @@ class LevelDB:
 
     def get_support_amount(self, claim_hash: bytes):
         total = 0
-        for packed in self.db.iterator(prefix=DB_PREFIXES.claim_to_support.value + claim_hash, include_key=False):
+        for packed in self.db.iterator(prefix=Prefixes.claim_to_support.pack_partial_key(claim_hash), include_key=False):
             total += Prefixes.claim_to_support.unpack_value(packed).amount
         return total
 
     def get_supports(self, claim_hash: bytes):
         supports = []
-        for k, v in self.db.iterator(prefix=DB_PREFIXES.claim_to_support.value + claim_hash):
+        for k, v in self.db.iterator(prefix=Prefixes.claim_to_support.pack_partial_key(claim_hash)):
             unpacked_k = Prefixes.claim_to_support.unpack_key(k)
             unpacked_v = Prefixes.claim_to_support.unpack_value(v)
             supports.append((unpacked_k.tx_num, unpacked_k.position, unpacked_v.amount))