diff --git a/sections/cper-section-cxl-protocol.h b/sections/cper-section-cxl-protocol.h
index 33b45d9..a64b83e 100644
--- a/sections/cper-section-cxl-protocol.h
+++ b/sections/cper-section-cxl-protocol.h
@@ -48,7 +48,7 @@
     UINT16 CxlDvsecLength;
     UINT16 CxlErrorLogLength;
     UINT32 Reserved;
-} EFI_CXL_PROTOCOL_ERROR_DATA;
+} __attribute__((packed, aligned(1))) EFI_CXL_PROTOCOL_ERROR_DATA;
 
 json_object* cper_section_cxl_protocol_to_ir(void* section, EFI_ERROR_SECTION_DESCRIPTOR* descriptor);
 void ir_section_cxl_protocol_to_cper(json_object* section, FILE* out);