diff --git a/libluna/include/luna/Vector.h b/libluna/include/luna/Vector.h
index 076e4ac2..b3a8e991 100644
--- a/libluna/include/luna/Vector.h
+++ b/libluna/include/luna/Vector.h
@@ -62,7 +62,7 @@ template <typename T> class Vector
 
     Result<void> try_append(T&& item)
     {
-        if (m_capacity == m_size) TRY(resize(m_capacity + 8));
+        if (m_capacity == m_size) TRY(resize(m_capacity ? m_capacity * 2 : 8));
 
         new (&m_data[m_size]) T(move(item));
 
@@ -252,6 +252,8 @@ template <typename T> class Vector
 
     Result<void> resize(usize new_capacity)
     {
+        if (new_capacity < m_capacity) return {};
+
         const usize new_byte_capacity = new_capacity * sizeof(T);
 
         void* const ptr = TRY(realloc_impl(m_data, new_byte_capacity));