diff --git a/bin/pgut/pgut.c b/bin/pgut/pgut.c
index 4661126..0013236 100644
--- a/bin/pgut/pgut.c
+++ b/bin/pgut/pgut.c
@@ -419,10 +419,10 @@ simple_string_list_member(SimpleStringList *list, const char *val)
 
 /* Returns the number of elements in the given SimpleStringList */
 size_t
-simple_string_list_size(SimpleStringList string_list)
+simple_string_list_size(SimpleStringList list)
 {
 	size_t 					i = 0;
-	SimpleStringListCell   *cell = string_list.head;
+	SimpleStringListCell   *cell = list.head;
 
 	while (cell)
 	{
diff --git a/bin/pgut/pgut.h b/bin/pgut/pgut.h
index 5abbe30..93d7137 100644
--- a/bin/pgut/pgut.h
+++ b/bin/pgut/pgut.h
@@ -186,7 +186,7 @@ typedef struct SimpleStringList
 
 extern void simple_string_list_append(SimpleStringList *list, const char *val);
 extern bool simple_string_list_member(SimpleStringList *list, const char *val);
-extern size_t simple_string_list_size(SimpleStringList string_list);
+extern size_t simple_string_list_size(SimpleStringList list);
 
 
 /*