diff --git a/bootloader.c b/bootloader.c
index 8265a4c..9addc80 100644
--- a/bootloader.c
+++ b/bootloader.c
@@ -61,8 +61,8 @@ int main(void) {
 		}else if(strcmp("DATA", cmd.argv[0])==0){
 			int size = uart_string_to_int(cmd.argv[1]);
 			crc_t local_checksum = uart_string_to_int(cmd.argv[2]);
-			//uart_commands_data(&status, size, &crc_data, local_checksum, offset_pointer);
-			uart_commands_data(&status, size, &crc_data, crc_data, offset_pointer);
+			uart_commands_data(&status, size, &crc_data, local_checksum, offset_pointer);
+			//uart_commands_data(&status, size, &crc_data, crc_data, offset_pointer);
 			if(status == 0) offset_pointer += size;
 
 		}else if(strcmp("CHECK", cmd.argv[0])==0){