diff --git a/example/ex-alloc1.c b/example/ex-alloc1.c
index 0ce8728c..49390dae 100644
--- a/example/ex-alloc1.c
+++ b/example/ex-alloc1.c
@@ -47,8 +47,8 @@ static void my_array_free(void *ptr)
 # define M_MEMORY_DEL(ptr)    my_free(ptr, sizeof *ptr)
 
 // Allocate for array of objects
-# define M_MEMORY_REALLOC(type, ptr, n) my_array_alloc (sizeof (type), ptr, n)
-# define M_MEMORY_FREE(ptr)             my_array_free(ptr)
+# define M_MEMORY_REALLOC(type, ptr, o, n) my_array_alloc (sizeof (type), ptr, n)
+# define M_MEMORY_FREE(type, ptr, n)       my_array_free(ptr)
 
 #include "m-list.h"
 #include "m-array.h"
diff --git a/example/ex-alloc2.c b/example/ex-alloc2.c
index e233cb49..48a441dd 100644
--- a/example/ex-alloc2.c
+++ b/example/ex-alloc2.c
@@ -76,8 +76,8 @@ static void my_array_free(void *ptr)
 }
 
 // Allocate for array of objects
-# define MY_MEMORY_REALLOC(type, ptr, n) my_array_alloc (sizeof (type), ptr, n)
-# define MY_MEMORY_FREE(ptr)             my_array_free(ptr)
+# define MY_MEMORY_REALLOC(type, ptr, o, n) my_array_alloc (sizeof (type), ptr, n)
+# define MY_MEMORY_FREE(type, ptr, n)       my_array_free(ptr)
 
 ////////////////////////////////////////////////////////////