diff --git a/inventory/group_vars/garage_bck_cluster.yml b/inventory/group_vars/garage_bck_cluster.yml
index b08cf1c..b9cbcb4 100644
--- a/inventory/group_vars/garage_bck_cluster.yml
+++ b/inventory/group_vars/garage_bck_cluster.yml
@@ -23,3 +23,5 @@ garage_admin_token: !vault |
           31306266336137346638
 
 garage_root_domain: ".backup.mateu.be"
+# Makes the Garage block size corresponds to the Restic block size
+garage_block_size: 16M
diff --git a/roles/garage/defaults/main.yml b/roles/garage/defaults/main.yml
new file mode 100644
index 0000000..9925320
--- /dev/null
+++ b/roles/garage/defaults/main.yml
@@ -0,0 +1,2 @@
+---
+garage_block_size: 1M
diff --git a/roles/garage/templates/garage.toml.j2 b/roles/garage/templates/garage.toml.j2
index 4622e9c..3fc7be1 100644
--- a/roles/garage/templates/garage.toml.j2
+++ b/roles/garage/templates/garage.toml.j2
@@ -8,6 +8,8 @@ metadata_dir = "/var/lib/garage/meta"
 data_dir = "/var/lib/garage/data"
 db_engine = "lmdb"
 
+block_size = "{{ garage_block_size }}"
+
 replication_mode = "{{ garage_replication_mode }}"
 
 compression_level = 2