diff --git a/src/pdr.c b/src/pdr.c
index fe28aa9..b3a5d5a 100644
--- a/src/pdr.c
+++ b/src/pdr.c
@@ -110,7 +110,7 @@
 	return record->record_handle;
 }
 
-pldm_pdr *pldm_pdr_init()
+pldm_pdr *pldm_pdr_init(void)
 {
 	pldm_pdr *repo = malloc(sizeof(pldm_pdr));
 	assert(repo != NULL);
@@ -375,7 +375,7 @@
 	return node->entity;
 }
 
-pldm_entity_association_tree *pldm_entity_association_tree_init()
+pldm_entity_association_tree *pldm_entity_association_tree_init(void)
 {
 	pldm_entity_association_tree *tree =
 	    malloc(sizeof(pldm_entity_association_tree));