diff --git a/sections/cper-section-pcie.c b/sections/cper-section-pcie.c
index 05c1a53..5e83f9d 100644
--- a/sections/cper-section-pcie.c
+++ b/sections/cper-section-pcie.c
@@ -24,7 +24,7 @@
 };
 
 //Converts a single PCIe CPER section into JSON IR.
-json_object *cper_section_pcie_to_ir(void *section)
+json_object *cper_section_pcie_to_ir(const void *section)
 {
 	EFI_PCIE_ERROR_DATA *pcie_error = (EFI_PCIE_ERROR_DATA *)section;
 	json_object *section_ir = json_object_new_object();