diff --git a/sharding/shard.go b/sharding/shard.go
index baff07ddc..1a5b5f7ca 100644
--- a/sharding/shard.go
+++ b/sharding/shard.go
@@ -52,8 +52,8 @@ func (s *Shard) GetHeaderByHash(hash *common.Hash) (*CollationHeader, error) {
 }
 
 // GetCollationByHash fetches full collation.
-func (s *Shard) GetCollationByHash(hash *common.Hash) (*Collation, error) {
-	header, err := s.GetHeaderByHash(hash)
+func (s *Shard) GetCollationByHash(headerHash *common.Hash) (*Collation, error) {
+	header, err := s.GetHeaderByHash(headerHash)
 	if err != nil {
 		return nil, err
 	}
diff --git a/sharding/shard_test.go b/sharding/shard_test.go
index 644bcddc9..ee6e0ba6e 100644
--- a/sharding/shard_test.go
+++ b/sharding/shard_test.go
@@ -44,3 +44,27 @@ func TestShard_GetHeaderByHash(t *testing.T) {
 		t.Fatalf("Headers do not match. want=%v. got=%v", header, dbHeader)
 	}
 }
+
+func TestShard_GetCollationByHash(t *testing.T) {
+	collation := &Collation{
+		header: &CollationHeader{shardID: big.NewInt(1)},
+		body:   []byte{1, 2, 3},
+	}
+	shard := MakeShard(big.NewInt(1))
+
+	if err := shard.SaveCollation(collation); err != nil {
+		t.Fatal(err)
+	}
+	hash := collation.Header().Hash()
+	fmt.Printf("In Test: %s\n", hash.String())
+
+	// It's being saved, but the .Get func doesn't fetch the value...?
+	dbCollation, err := shard.GetCollationByHash(&hash)
+	if err != nil {
+		t.Fatal(err)
+	}
+	// TODO: decode the RLP
+	if !cmp.Equal(collation, dbCollation) {
+		t.Fatalf("Collations do not match. want=%v. got=%v", collation, dbCollation)
+	}
+}