diff --git a/tools/lpc.hpp b/tools/lpc.hpp
index 3363c01..21c776d 100644
--- a/tools/lpc.hpp
+++ b/tools/lpc.hpp
@@ -15,7 +15,7 @@
     std::uint32_t address;
     /* Size of the chunk to be mapped. */
     std::uint32_t length;
-};
+} __attribute__((packed));
 
 class LpcDataHandler : public DataInterface
 {