diff --git a/sections/cper-section-pci-dev.h b/sections/cper-section-pci-dev.h
index f79df74..65c18d8 100644
--- a/sections/cper-section-pci-dev.h
+++ b/sections/cper-section-pci-dev.h
@@ -30,5 +30,6 @@
 } EFI_PCI_PCIX_DEVICE_ERROR_DATA;
 
 json_object* cper_section_pci_dev_to_ir(void* section, EFI_ERROR_SECTION_DESCRIPTOR* descriptor);
+void ir_section_pci_dev_to_cper(json_object* section, FILE* out);
 
 #endif
\ No newline at end of file