diff --git a/sections/cper-section-ccix-per.h b/sections/cper-section-ccix-per.h
index 1f01368..0fbefe5 100644
--- a/sections/cper-section-ccix-per.h
+++ b/sections/cper-section-ccix-per.h
@@ -18,5 +18,6 @@
 } EFI_CCIX_PER_LOG_DATA;
 
 json_object* cper_section_ccix_per_to_ir(void* section, EFI_ERROR_SECTION_DESCRIPTOR* descriptor);
+void ir_section_ccix_per_to_cper(json_object* section, FILE* out);
 
 #endif
\ No newline at end of file