diff --git a/backend_shinkos1245.c b/backend_shinkos1245.c
index f9907c0..83dce04 100644
--- a/backend_shinkos1245.c
+++ b/backend_shinkos1245.c
@@ -135,7 +135,7 @@ struct shinkos1245_resp_status {
 		uint8_t  status1;
 		uint32_t status2; /* BE */
 		uint8_t  error;
-	} state;
+	} __attribute__((packed)) state;
 	struct {
 		uint32_t lifetime;  /* BE */
 		uint32_t maint;     /* BE */
@@ -145,13 +145,13 @@ struct shinkos1245_resp_status {
 		uint8_t  ver_boot;
 		uint8_t  ver_ctrl;
 		uint8_t  control_flag; // 0x00 == epson, 0x01 == cypress
-	} counters;
+	} __attribute__((packed)) counters;
 	struct {
 		uint16_t main_boot;
 		uint16_t main_control;
 		uint16_t dsp_boot;
 		uint16_t dsp_control;
-	} versions;
+	} __attribute__((packed)) versions;
 	struct {
 		uint8_t  bank1_id;
 		uint8_t  bank2_id;
@@ -161,7 +161,7 @@ struct shinkos1245_resp_status {
 		uint16_t bank2_remain;   /* BE */
 		uint16_t bank2_complete; /* BE */
 		uint16_t bank2_spec;     /* BE */
-	} counters2;
+	} __attribute__((packed)) counters2;
 	uint8_t curve_status;
 } __attribute__((packed));
 
@@ -1639,7 +1639,7 @@ static int shinkos1245_query_serno(struct libusb_device_handle *dev, uint8_t end
 
 struct dyesub_backend shinkos1245_backend = {
 	.name = "Shinko/Sinfonia CHC-S1245",
-	.version = "0.11WIP",
+	.version = "0.12WIP",
 	.uri_prefix = "shinkos1245",
 	.cmdline_usage = shinkos1245_cmdline,
 	.cmdline_arg = shinkos1245_cmdline_arg,