diff --git a/docs/reference/gio/gio-sections.txt b/docs/reference/gio/gio-sections.txt
index 71422276e..6bec1208f 100644
--- a/docs/reference/gio/gio-sections.txt
+++ b/docs/reference/gio/gio-sections.txt
@@ -863,6 +863,7 @@ GBufferedOutputStreamPrivate
 GReallocFunc
 GMemoryOutputStream
 g_memory_output_stream_new
+g_memory_output_stream_new_resizable
 g_memory_output_stream_get_data
 g_memory_output_stream_get_size
 g_memory_output_stream_get_data_size
diff --git a/gio/gio.symbols b/gio/gio.symbols
index afffd7dfe..9df4fefed 100644
--- a/gio/gio.symbols
+++ b/gio/gio.symbols
@@ -573,6 +573,7 @@ g_memory_input_stream_add_bytes
 g_memory_input_stream_add_data
 g_memory_output_stream_get_type
 g_memory_output_stream_new
+g_memory_output_stream_new_resizable
 g_memory_output_stream_get_data
 g_memory_output_stream_get_data_size
 g_memory_output_stream_get_size
diff --git a/gio/gmemoryoutputstream.c b/gio/gmemoryoutputstream.c
index 378bf3cfe..542732b6d 100644
--- a/gio/gmemoryoutputstream.c
+++ b/gio/gmemoryoutputstream.c
@@ -381,6 +381,20 @@ g_memory_output_stream_new (gpointer       data,
   return stream;
 }
 
+/**
+ * g_memory_output_stream_new_resizable:
+ *
+ * Creates a new #GMemoryOutputStream, using g_realloc() and g_free()
+ * for memory allocation.
+ *
+ * Since: 2.36
+ */
+GOutputStream *
+g_memory_output_stream_new_resizable (void)
+{
+  return g_memory_output_stream_new (NULL, 0, g_realloc, g_free);
+}
+
 /**
  * g_memory_output_stream_get_data:
  * @ostream: a #GMemoryOutputStream
diff --git a/gio/gmemoryoutputstream.h b/gio/gmemoryoutputstream.h
index faf0364c2..8be37e6da 100644
--- a/gio/gmemoryoutputstream.h
+++ b/gio/gmemoryoutputstream.h
@@ -88,6 +88,8 @@ GOutputStream *g_memory_output_stream_new           (gpointer             data,
                                                      gsize                size,
                                                      GReallocFunc         realloc_function,
                                                      GDestroyNotify       destroy_function);
+GLIB_AVAILABLE_IN_2_36
+GOutputStream *g_memory_output_stream_new_resizable (void);
 gpointer       g_memory_output_stream_get_data      (GMemoryOutputStream *ostream);
 gsize          g_memory_output_stream_get_size      (GMemoryOutputStream *ostream);
 gsize          g_memory_output_stream_get_data_size (GMemoryOutputStream *ostream);
diff --git a/gio/tests/memory-output-stream.c b/gio/tests/memory-output-stream.c
index e9bfc3d05..3399bbe00 100644
--- a/gio/tests/memory-output-stream.c
+++ b/gio/tests/memory-output-stream.c
@@ -34,7 +34,7 @@ test_truncate (void)
 
   g_test_bug ("540423");
 
-  mo = g_memory_output_stream_new (NULL, 0, g_realloc, g_free);
+  mo = g_memory_output_stream_new_resizable ();
   g_assert (g_seekable_can_truncate (G_SEEKABLE (mo)));
   o = g_data_output_stream_new (mo);
   for (i = 0; i < 1000; i++)
@@ -86,7 +86,7 @@ test_data_size (void)
 
   g_test_bug ("540459");
 
-  mo = g_memory_output_stream_new (NULL, 0, g_realloc, g_free);
+  mo = g_memory_output_stream_new_resizable ();
   o = g_data_output_stream_new (mo);
   g_data_output_stream_put_byte (o, 1, NULL, NULL);
   pos = g_memory_output_stream_get_data_size (G_MEMORY_OUTPUT_STREAM (mo));