diff --git a/src/barebox-state/backend_bucket_circular.c b/src/barebox-state/backend_bucket_circular.c
index 13cd742..0bce900 100644
--- a/src/barebox-state/backend_bucket_circular.c
+++ b/src/barebox-state/backend_bucket_circular.c
@@ -47,7 +47,7 @@
 	struct device_d *dev;
 };
 
-struct state_backend_storage_bucket_circular_meta {
+struct __attribute__((__packed__)) state_backend_storage_bucket_circular_meta {
 	uint32_t magic;
 	uint32_t written_length;
 };
diff --git a/src/barebox-state/backend_bucket_direct.c b/src/barebox-state/backend_bucket_direct.c
index 08892f0..5225433 100644
--- a/src/barebox-state/backend_bucket_direct.c
+++ b/src/barebox-state/backend_bucket_direct.c
@@ -32,7 +32,7 @@
 	struct device_d *dev;
 };
 
-struct state_backend_storage_bucket_direct_meta {
+struct __attribute__((__packed__)) state_backend_storage_bucket_direct_meta {
 	uint32_t magic;
 	uint32_t written_length;
 };
diff --git a/src/barebox-state/backend_format_raw.c b/src/barebox-state/backend_format_raw.c
index f9102d4..cc225b2 100644
--- a/src/barebox-state/backend_format_raw.c
+++ b/src/barebox-state/backend_format_raw.c
@@ -37,7 +37,7 @@
 	struct device_d *dev;
 };
 
-struct backend_raw_header {
+struct __attribute__((__packed__)) backend_raw_header {
 	uint32_t magic;
 	uint16_t reserved;
 	uint16_t data_len;