diff --git a/internal/vaultik/blobcache.go b/internal/vaultik/blobcache.go
index 50b5565..cdcee69 100644
--- a/internal/vaultik/blobcache.go
+++ b/internal/vaultik/blobcache.go
@@ -7,9 +7,6 @@ import (
 	"sync"
 )
 
-// defaultMaxBlobCacheBytes is the default maximum size of the disk blob cache (10 GB).
-const defaultMaxBlobCacheBytes = 10 << 30 // 10 GiB
-
 // blobDiskCacheEntry tracks a cached blob on disk.
 type blobDiskCacheEntry struct {
 	key  string
diff --git a/internal/vaultik/restore.go b/internal/vaultik/restore.go
index d5ac3a7..d136f59 100644
--- a/internal/vaultik/restore.go
+++ b/internal/vaultik/restore.go
@@ -109,7 +109,7 @@ func (v *Vaultik) Restore(opts *RestoreOptions) error {
 
 	// Step 5: Restore files
 	result := &RestoreResult{}
-	blobCache, err := newBlobDiskCache(defaultMaxBlobCacheBytes)
+	blobCache, err := newBlobDiskCache(4 * v.Config.BlobSizeLimit.Int64())
 	if err != nil {
 		return fmt.Errorf("creating blob cache: %w", err)
 	}