diff --git a/src/collections/List.h b/src/collections/List.h
index ba2d3d0..5dc523a 100644
--- a/src/collections/List.h
+++ b/src/collections/List.h
@@ -12,22 +12,26 @@
         return (List_##T){ .data = data_ptr, .len = len, .max_len = max_len };\
     }\
     \
-    static inline List_##T List_##T##_alloc(u32 len){\
-        return List_##T##_construct((T*)(len > 0 ? malloc(len * sizeof(T)) : NULL), 0, 0);\
-    }\
+    List_##T List_##T##_alloc(u32 initial_len);\
     \
     T* List_##T##_expand(List_##T* ptr);\
     void List_##T##_push(List_##T* ptr, T value);\
 
 
 #define List_define(T)\
+    List_##T List_##T##_alloc(u32 initial_len){\
+        if(initial_len == 0)\
+            return List_##T##_construct((T*)NULL, 0, 0);\
+        u32 max_Len = ALIGN_TO(initial_len, sizeof(void*)/sizeof(T));\
+        /* branchless version of max(max_len, __List_min_size) */\
+        max_len += (max_len < __List_min_size) * (__List_min_size - max_len);\
+        return List_##T##_construct((T*)malloc(initial_len * sizeof(T)), 0, max_len);\
+    }\
+    \
     T* List_##T##_expand(List_##T* ptr){\
         if(ptr->len == ptr->max_len){\
-            u32 max_len = ptr->max_len * 1.5;\
-            max_len += __List_padding_in_sizeof_T(T);\
-            /* branchless version of max(max_len, __List_min_size) */\
-            max_len += (max_len < __List_min_size) * (__List_min_size - max_len);\
-            ptr->data = (T*)realloc(ptr->data, max_len * sizeof(T));\
+            ptr->max_len *= 2;\
+            ptr->data = (T*)realloc(ptr->data, ptr->max_len * sizeof(T));\
             ptr->max_len = max_len;\
         }\
         return &ptr->data[ptr->len++];\
@@ -40,11 +44,6 @@
 
 #define __List_min_size 16
 
-// sizeof(T) == 1  - padding is 7 of sizeof(T)
-// sizeof(T) == 2  - padding is 3 of sizeof(T)
-// sizeof(T) == 4  - padding is 1 of sizeof(T)
-#define __List_padding_in_sizeof_T(T) ((8 - sizeof(T) % 8) / sizeof(T) )
-
 List_declare(cstr);
 List_declare(u32);
 List_declare(u8);