diff --git a/core/download.go b/core/download.go
index 79fc89d..7073041 100644
--- a/core/download.go
+++ b/core/download.go
@@ -299,7 +299,7 @@ func (c *CacheIndex) getHashesMap(i int) map[string]string {
 func (c *CacheIndex) GetHandleFromHash(hashFormat string, hash string) *CacheIndexHandle {
 	storedHashFmtList, hasStoredHashFmt := c.Hashes[hashFormat]
 	if hasStoredHashFmt {
-		hashIdx := slices.Index(storedHashFmtList, hash)
+		hashIdx := slices.Index(storedHashFmtList, strings.ToLower(hash))
 		if hashIdx > -1 {
 			return &CacheIndexHandle{
 				index:   c,
@@ -322,7 +322,7 @@ func (c *CacheIndex) GetHandleFromHashForce(hashFormat string, hash string) (*Ca
 		c.Hashes[hashFormat] = storedHashFmtList
 		// Rehash every file that doesn't have this hash with this hash
 		for hashIdx, curHash := range storedHashFmtList {
-			if curHash == hash {
+			if strings.EqualFold(curHash, hash) {
 				return &CacheIndexHandle{
 					index:   c,
 					hashIdx: hashIdx,
@@ -334,7 +334,7 @@ func (c *CacheIndex) GetHandleFromHashForce(hashFormat string, hash string) (*Ca
 				if err != nil {
 					return nil, fmt.Errorf("failed to rehash %s: %w", c.Hashes[cacheHashFormat][hashIdx], err)
 				}
-				if storedHashFmtList[hashIdx] == hash {
+				if strings.EqualFold(storedHashFmtList[hashIdx], hash) {
 					return &CacheIndexHandle{
 						index:   c,
 						hashIdx: hashIdx,
@@ -353,7 +353,7 @@ func (c *CacheIndex) GetHandleFromHashForce(hashFormat string, hash string) (*Ca
 			if err != nil {
 				return nil, fmt.Errorf("failed to rehash %s: %w", cacheHash, err)
 			}
-			if storedHashFmtList[hashIdx] == hash {
+			if strings.EqualFold(storedHashFmtList[hashIdx], hash) {
 				return &CacheIndexHandle{
 					index:   c,
 					hashIdx: hashIdx,
@@ -399,7 +399,7 @@ func (c *CacheIndex) NewHandleFromHashes(hashes map[string]string) (*CacheIndexH
 		if handle != nil {
 			// Add hashes to handle
 			for hashFormat2, hash2 := range hashes {
-				handle.Hashes[hashFormat2] = hash2
+				handle.Hashes[hashFormat2] = strings.ToLower(hash2)
 			}
 			return handle, true
 		}
diff --git a/core/index.go b/core/index.go
index 2acc749..77dd49d 100644
--- a/core/index.go
+++ b/core/index.go
@@ -400,7 +400,7 @@ func (in Index) SaveFile(f IndexFile, dest io.Writer) error {
 	}
 
 	calculatedHash := h.HashToString(h.Sum(nil))
-	if calculatedHash != f.Hash && !viper.GetBool("no-internal-hashes") {
+	if !strings.EqualFold(calculatedHash, f.Hash) && !viper.GetBool("no-internal-hashes") {
 		return errors.New("hash of saved file is invalid")
 	}