diff --git a/win32/common/libgstreamer.def b/win32/common/libgstreamer.def
index 216dfd4cc3..f69fc86abd 100644
--- a/win32/common/libgstreamer.def
+++ b/win32/common/libgstreamer.def
@@ -1,5 +1,5 @@
 EXPORTS
-	gst_init
+    gst_init
     gst_uri_handler_get_type
     gst_uri_handler_get_type
     gst_index_factory_get_type
@@ -8,7 +8,7 @@ EXPORTS
     gst_index_entry_assoc_map
     gst_index_get_assoc_entry
     gst_index_get_writer_id
-	gst_init_get_option_group
+    gst_init_get_option_group
     gst_element_factory_find
     gst_pad_get_internal_links_default
     gst_pad_get_query_types
@@ -335,5 +335,6 @@ EXPORTS
 	_gst_debug_nameof_funcptr
 	gst_guint64_to_gdouble
 	gst_gdouble_to_guint64
-    gst_message_parse_new_clock
-	gst_message_type_get_name
\ No newline at end of file
+	gst_message_parse_new_clock
+	gst_message_type_get_name
+	gst_flags_get_first_value