diff --git a/src/duplicacy_config.go b/src/duplicacy_config.go
index 24b4386..2414775 100644
--- a/src/duplicacy_config.go
+++ b/src/duplicacy_config.go
@@ -85,8 +85,8 @@ type Config struct {
 	FileKey []byte `json:"-"`
 
 	// for erasure coding
-	DataShards int `json:'data-shards'`
-	ParityShards int `json:'parity-shards'`
+	DataShards int `json:"data-shards"`
+	ParityShards int `json:"parity-shards"`
 
 	// for RSA encryption
 	rsaPrivateKey *rsa.PrivateKey
diff --git a/src/duplicacy_snapshotmanager.go b/src/duplicacy_snapshotmanager.go
index 0482512..97819a6 100644
--- a/src/duplicacy_snapshotmanager.go
+++ b/src/duplicacy_snapshotmanager.go
@@ -2568,7 +2568,7 @@ func (manager *SnapshotManager) CheckSnapshot(snapshot *Snapshot) (err error) {
 		}
 
 		if entry.EndChunk < entry.StartChunk {
-			fmt.Errorf("The file %s starts at chunk %d and ends at chunk %d",
+			err = fmt.Errorf("The file %s starts at chunk %d and ends at chunk %d",
 				entry.Path, entry.StartChunk, entry.EndChunk)
 			return false
 		}