diff --git a/src/base/array/array.c b/src/base/array/array.c
index 93aae06..b720432 100644
--- a/src/base/array/array.c
+++ b/src/base/array/array.c
@@ -125,6 +125,10 @@ GenericArray _array_append_alloc(const Allocator *allocator, GenericArray array,
 
 	_array_append_capped(output, value, item_size);
 
+	if ((flags & ARRAY_INIT_FILLED) == ARRAY_INIT_FILLED) {
+		_array_set_count(output, _array_capacity(output));
+	}
+
 RETURN_ARRAY_APPEND_ALLOC:
 	return output;
 }
@@ -153,6 +157,10 @@ GenericArray _array_extend_alloc(const Allocator *allocator, GenericArray dst, c
 
 	_array_extend_capped(output, src, item_size);
 
+	if ((flags & ARRAY_INIT_FILLED) == ARRAY_INIT_FILLED) {
+		_array_set_count(output, _array_capacity(output));
+	}
+
 RETURN_ARRAY_EXTEND_ALLOC:
 	return output;
 }
@@ -179,6 +187,10 @@ GenericArray _array_copy_alloc(const Allocator *allocator, GenericArray dst, con
 
 	_array_copy_capped(output, src, item_size);
 
+	if ((flags & ARRAY_INIT_FILLED) == ARRAY_INIT_FILLED) {
+		_array_set_count(output, _array_capacity(output));
+	}
+
 RETURN_ARRAY_COPY_ALLOC:
 	return output;
 }