diff --git a/inc/ft_malloc.h b/inc/ft_malloc.h
index 8ce0f66..4fccf1b 100644
--- a/inc/ft_malloc.h
+++ b/inc/ft_malloc.h
@@ -7,7 +7,7 @@
 typedef struct 		s_header
 {
 	struct s_header	*next;
-	size_t			size;
+	size_t			units;
 } 					t_header;
 
 static t_header		base;
diff --git a/src/malloc.c b/src/malloc.c
index 744040d..39fdfc5 100644
--- a/src/malloc.c
+++ b/src/malloc.c
@@ -8,14 +8,25 @@ t_header	*morecore(size_t size)
 
 void	*malloc(size_t size)
 {
-	t_header	*p;
-	t_header	*prevp;
+	t_header	*curr;
+	t_header	*prev;
 	size_t		nunits;
+	void		*space;
 
+	space = NULL;
 	nunits = (size + sizeof(t_header) - 1) / (sizeof(t_header) + 1);
-	if ((prevp = freep) == NULL)
+	if ((prev = freep) == NULL)
 	{
-		base.next = freep = prevp = &base;
-		base.size = 0;
+		base.next = freep = prev = &base;
+		base.units = 0;
 	}
+	while(!space)
+	{
+		curr = prev->next;
+		if (curr->units >= nunits)
+			prev->next = curr->next;
+		prev = curr;
+		curr = curr->next;
+	}
+	return (space);
 }
\ No newline at end of file