diff --git a/src/duplicacy_snapshotmanager.go b/src/duplicacy_snapshotmanager.go
index 9d1d4bc..28ddc58 100644
--- a/src/duplicacy_snapshotmanager.go
+++ b/src/duplicacy_snapshotmanager.go
@@ -448,7 +448,7 @@ func (manager *SnapshotManager) CleanSnapshotCache(latestSnapshot *Snapshot, all
 
 	allFiles, _ := manager.ListAllFiles(manager.snapshotCache, chunkDir)
 	for _, file := range allFiles {
-		if file[len(file)-1] != '/' {
+		if len(file) > 0 && file[len(file)-1] != '/' {
 			chunkID := strings.Replace(file, "/", "", -1)
 			if _, found := chunks[chunkID]; !found {
 				LOG_DEBUG("SNAPSHOT_CLEAN", "Delete chunk %s from the snapshot cache", chunkID)
@@ -2428,7 +2428,7 @@ func (manager *SnapshotManager) pruneSnapshotsExhaustive(referencedFossils map[s
 
 	allFiles, _ := manager.ListAllFiles(manager.storage, chunkDir)
 	for _, file := range allFiles {
-		if file[len(file)-1] == '/' {
+		if len(file) == 0 || file[len(file)-1] == '/' {
 			continue
 		}