2 files changed, 6 insertions, 5 deletions
diff --git a/src/vector.c b/src/vector.c
index 6708546..b65ee2f 100644
--- a/src/vector.c
+++ b/src/vector.c
@@ -109,10 +109,11 @@ vector_new(const size_t value_size, const struct Vector **const out) {
 }
 
 void
-vector_free(const struct Vector *const v) {
-	assert(v != NULL);
-	free(v->values);
-	free((void *)v);
+vector_free(const struct Vector **const v) {
+	assert((*v) != NULL);
+	free((*v)->values);
+	free((void *)*v);
+	*v = NULL;
 }
 
 size_t
diff --git a/src/vector.h b/src/vector.h
index 3103375..441ac14 100644
--- a/src/vector.h
+++ b/src/vector.h
@@ -13,7 +13,7 @@ int
 vector_new(const size_t value_size, const struct Vector **const out);
 
 void
-vector_free(const struct Vector *const v);
+vector_free(const struct Vector **const v);
 
 size_t
 vector_count(const struct Vector *const v);