diff --git a/include/perk/perk_meta.h b/include/perk/perk_meta.h
index 0fd64f3..5abf507 100644
--- a/include/perk/perk_meta.h
+++ b/include/perk/perk_meta.h
@@ -153,11 +153,11 @@ struct pe_meta_opt_hdr_mem_32 {
 };
 
 struct pe_meta_opt_hdr_mem_64 {
-	uint64_t	image_base;
-	uint64_t	size_of_stack_reserve;
-	uint64_t	size_of_stack_commit;
-	uint64_t	size_of_heap_reserve;
-	uint64_t	size_of_heap_commit;
+	uint64_t	coh_image_base;
+	uint64_t	coh_size_of_stack_reserve;
+	uint64_t	coh_size_of_stack_commit;
+	uint64_t	coh_size_of_heap_reserve;
+	uint64_t	coh_size_of_heap_commit;
 };
 
 struct pe_meta_opt_hdr_mem {