diff --git a/sections/cper-section-pcie.h b/sections/cper-section-pcie.h
index 987fa6c..c264960 100644
--- a/sections/cper-section-pcie.h
+++ b/sections/cper-section-pcie.h
@@ -34,5 +34,6 @@
 } EFI_PCIE_ADV_ERROR_EXT_CAPABILITY;
 
 json_object* cper_section_pcie_to_ir(void* section, EFI_ERROR_SECTION_DESCRIPTOR* descriptor);
+void ir_section_pcie_to_cper(json_object* section, FILE* out);
 
 #endif
\ No newline at end of file