diff --git a/src/ptk_list.c b/src/ptk_list.c
index 0af1f5d..7a590c5 100644
--- a/src/ptk_list.c
+++ b/src/ptk_list.c
@@ -22,24 +22,17 @@ bool _grow_PtkList(void **data, uint32_t *allocated, size_t element_size) {
 }
 
 bool _add_PtkList(void **data, uint32_t *size, uint32_t *allocated, void *elements, size_t element_count, size_t element_size) {
-    size_t elements_added = 0;
-
-    for (size_t i = 0; i < element_count; ++i) {
-        if (*size == *allocated) {
-            if (!_grow_PtkList(data, allocated, element_size)) {
-                break;
-            }
+    while (*allocated < *size + element_count) {
+        if (!_grow_PtkList(data, allocated, element_size)) {
+            return false;
         }
-
-        uint8_t *element = ((uint8_t *)elements) + (i * element_size);
-
-        uint8_t *target = ((uint8_t *)*data) + (*size * element_size);
-        memcpy(target, element, element_size);
-        elements_added += 1;
-        *size += 1;
     }
 
-    return elements_added == element_count;
+    uint8_t *target = ((uint8_t *)*data) + (*size * element_size);
+    memcpy(target, (uint8_t *)elements, element_size * element_count);
+    *size += element_count;
+
+    return true;
 }
 
 bool _remove_PtkList(void *data, uint32_t *size, void *elements, size_t element_count, size_t element_size) {