diff --git a/sections/cper-section-pci-dev.c b/sections/cper-section-pci-dev.c
index cac363d..cae0c2b 100644
--- a/sections/cper-section-pci-dev.c
+++ b/sections/cper-section-pci-dev.c
@@ -88,7 +88,7 @@
     section_cper->IoNumber = (UINT32)json_object_get_uint64(json_object_object_get(section, "ioNumber"));
 
     //Write header out to stream, free it.
-    fwrite(&section_cper, sizeof(section_cper), 1, out);
+    fwrite(section_cper, sizeof(EFI_PCI_PCIX_DEVICE_ERROR_DATA), 1, out);
     fflush(out);
     free(section_cper);