diff --git a/sections/cper-section-cxl-component.h b/sections/cper-section-cxl-component.h
index e9cbfd5..e0a585e 100644
--- a/sections/cper-section-cxl-component.h
+++ b/sections/cper-section-cxl-component.h
@@ -20,14 +20,14 @@
   UINT64 Resv1 : 3;
   UINT64 SlotNumber : 13;
   UINT64 Resv2 : 8;
-} EFI_CXL_DEVICE_ID_INFO;
+} __attribute__((packed, aligned(1))) EFI_CXL_DEVICE_ID_INFO;
 
 typedef struct {
     UINT32 Length;
     UINT64 ValidBits;
     EFI_CXL_DEVICE_ID_INFO DeviceId;
     UINT64 DeviceSerial;
-} EFI_CXL_COMPONENT_EVENT_HEADER;
+} __attribute__((packed, aligned(1))) EFI_CXL_COMPONENT_EVENT_HEADER;
 
 json_object* cper_section_cxl_component_to_ir(void* section, EFI_ERROR_SECTION_DESCRIPTOR* descriptor);
 void ir_section_cxl_component_to_cper(json_object* section, FILE* out);