diff --git a/src/collections/vec.c b/src/collections/vec.c
index ee570c4ee..c03f18f09 100644
--- a/src/collections/vec.c
+++ b/src/collections/vec.c
@@ -213,6 +213,7 @@ void _z_svec_clear(_z_svec_t *v, z_element_clear_f clear_f, size_t element_size)
 void _z_svec_release(_z_svec_t *v) {
     z_free(v->_val);
     v->_capacity = 0;
+    v->_val = NULL;
 }
 
 void _z_svec_free(_z_svec_t **v, z_element_clear_f clear, size_t element_size) {