diff --git a/src/backup/file_formats.rs b/src/backup/file_formats.rs
index ae7a5024..2f32cc51 100644
--- a/src/backup/file_formats.rs
+++ b/src/backup/file_formats.rs
@@ -3,40 +3,40 @@ use endian_trait::Endian;
 // WARNING: PLEASE DO NOT MODIFY THOSE MAGIC VALUES
 
 // openssl::sha::sha256(b"Proxmox Backup uncompressed chunk v1.0")[0..8]
-pub static UNCOMPRESSED_CHUNK_MAGIC_1_0: [u8; 8] = [79, 127, 200, 4, 121, 74, 135, 239];
+pub const UNCOMPRESSED_CHUNK_MAGIC_1_0: [u8; 8] = [79, 127, 200, 4, 121, 74, 135, 239];
 
 // openssl::sha::sha256(b"Proxmox Backup encrypted chunk v1.0")[0..8]
-pub static ENCRYPTED_CHUNK_MAGIC_1_0: [u8; 8] = [8, 54, 114, 153, 70, 156, 26, 151];
+pub const ENCRYPTED_CHUNK_MAGIC_1_0: [u8; 8] = [8, 54, 114, 153, 70, 156, 26, 151];
 
 // openssl::sha::sha256(b"Proxmox Backup zstd compressed chunk v1.0")[0..8]
-pub static COMPRESSED_CHUNK_MAGIC_1_0: [u8; 8] = [191, 237, 46, 195, 108, 17, 228, 235];
+pub const COMPRESSED_CHUNK_MAGIC_1_0: [u8; 8] = [191, 237, 46, 195, 108, 17, 228, 235];
 
 // openssl::sha::sha256(b"Proxmox Backup zstd compressed encrypted chunk v1.0")[0..8]
-pub static ENCR_COMPR_CHUNK_MAGIC_1_0: [u8; 8] = [9, 40, 53, 200, 37, 150, 90, 196];
+pub const ENCR_COMPR_CHUNK_MAGIC_1_0: [u8; 8] = [9, 40, 53, 200, 37, 150, 90, 196];
 
 // openssl::sha::sha256(b"Proxmox Backup uncompressed blob v1.0")[0..8]
-pub static UNCOMPRESSED_BLOB_MAGIC_1_0: [u8; 8] = [66, 171, 56, 7, 190, 131, 112, 161];
+pub const UNCOMPRESSED_BLOB_MAGIC_1_0: [u8; 8] = [66, 171, 56, 7, 190, 131, 112, 161];
 
 //openssl::sha::sha256(b"Proxmox Backup zstd compressed blob v1.0")[0..8]
-pub static COMPRESSED_BLOB_MAGIC_1_0: [u8; 8] = [49, 185, 88, 66, 111, 182, 163, 127];
+pub const COMPRESSED_BLOB_MAGIC_1_0: [u8; 8] = [49, 185, 88, 66, 111, 182, 163, 127];
 
 // openssl::sha::sha256(b"Proxmox Backup encrypted blob v1.0")[0..8]
-pub static ENCRYPTED_BLOB_MAGIC_1_0: [u8; 8] = [123, 103, 133, 190, 34, 45, 76, 240];
+pub const ENCRYPTED_BLOB_MAGIC_1_0: [u8; 8] = [123, 103, 133, 190, 34, 45, 76, 240];
 
 // openssl::sha::sha256(b"Proxmox Backup zstd compressed encrypted blob v1.0")[0..8]
-pub static ENCR_COMPR_BLOB_MAGIC_1_0: [u8; 8] = [230, 89, 27, 191, 11, 191, 216, 11];
+pub const ENCR_COMPR_BLOB_MAGIC_1_0: [u8; 8] = [230, 89, 27, 191, 11, 191, 216, 11];
 
 //openssl::sha::sha256(b"Proxmox Backup authenticated blob v1.0")[0..8]
-pub static AUTHENTICATED_BLOB_MAGIC_1_0: [u8; 8] = [31, 135, 238, 226, 145, 206, 5, 2];
+pub const AUTHENTICATED_BLOB_MAGIC_1_0: [u8; 8] = [31, 135, 238, 226, 145, 206, 5, 2];
 
 //openssl::sha::sha256(b"Proxmox Backup zstd compressed authenticated blob v1.0")[0..8]
-pub static AUTH_COMPR_BLOB_MAGIC_1_0: [u8; 8] = [126, 166, 15, 190, 145, 31, 169, 96];
+pub const AUTH_COMPR_BLOB_MAGIC_1_0: [u8; 8] = [126, 166, 15, 190, 145, 31, 169, 96];
 
 // openssl::sha::sha256(b"Proxmox Backup fixed sized chunk index v1.0")[0..8]
-pub static FIXED_SIZED_CHUNK_INDEX_1_0: [u8; 8] = [47, 127, 65, 237, 145, 253, 15, 205];
+pub const FIXED_SIZED_CHUNK_INDEX_1_0: [u8; 8] = [47, 127, 65, 237, 145, 253, 15, 205];
 
 // openssl::sha::sha256(b"Proxmox Backup dynamic sized chunk index v1.0")[0..8]
-pub static DYNAMIC_SIZED_CHUNK_INDEX_1_0: [u8; 8] = [28, 145, 78, 165, 25, 186, 179, 205];
+pub const DYNAMIC_SIZED_CHUNK_INDEX_1_0: [u8; 8] = [28, 145, 78, 165, 25, 186, 179, 205];
 
 /// Data blob binary storage format
 ///