diff --git a/gstreamer/src/element_factory_list_type.rs b/gstreamer/src/element_factory_list_type.rs
index c1654fd7a..f8c2aa0af 100644
--- a/gstreamer/src/element_factory_list_type.rs
+++ b/gstreamer/src/element_factory_list_type.rs
@@ -6,28 +6,28 @@ use glib::translate::*;
 bitflags! {
     #[doc(alias = "GstElementFactoryListType")]
     pub struct ElementFactoryListType: u64 {
-        const DECODER          = 0b_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0001;
-        const ENCODER          = 0b_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0010;
-        const SINK             = 0b_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0100;
-        const SRC              = 0b_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_1000;
-        const MUXER            = 0b_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0001_0000;
-        const DEMUXER          = 0b_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0010_0000;
-        const PARSER           = 0b_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0100_0000;
-        const PAYLOADER        = 0b_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_1000_0000;
-        const DEPAYLOADER      = 0b_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0001_0000_0000;
-        const FORMATTER        = 0b_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0010_0000_0000;
-        const DECRYPTOR        = 0b_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0100_0000_0000;
-        const ENCRYPTOR        = 0b_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_1000_0000_0000;
-        const HARDWARE         = 0b_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0001_0000_0000_0000;
+        const DECODER          = ffi::GST_ELEMENT_FACTORY_TYPE_DECODER as u64;
+        const ENCODER          = ffi::GST_ELEMENT_FACTORY_TYPE_ENCODER as u64;
+        const SINK             = ffi::GST_ELEMENT_FACTORY_TYPE_SINK as u64;
+        const SRC              = ffi::GST_ELEMENT_FACTORY_TYPE_SRC as u64;
+        const MUXER            = ffi::GST_ELEMENT_FACTORY_TYPE_MUXER as u64;
+        const DEMUXER          = ffi::GST_ELEMENT_FACTORY_TYPE_DEMUXER as u64;
+        const PARSER           = ffi::GST_ELEMENT_FACTORY_TYPE_PARSER as u64;
+        const PAYLOADER        = ffi::GST_ELEMENT_FACTORY_TYPE_PAYLOADER as u64;
+        const DEPAYLOADER      = ffi::GST_ELEMENT_FACTORY_TYPE_DEPAYLOADER as u64;
+        const FORMATTER        = ffi::GST_ELEMENT_FACTORY_TYPE_FORMATTER as u64;
+        const DECRYPTOR        = ffi::GST_ELEMENT_FACTORY_TYPE_DECRYPTOR as u64;
+        const ENCRYPTOR        = ffi::GST_ELEMENT_FACTORY_TYPE_ENCRYPTOR as u64;
+        const HARDWARE         = ffi::GST_ELEMENT_FACTORY_TYPE_HARDWARE as u64;
 
-        const MEDIA_VIDEO      = 0b_0000_0000_0000_0010_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000;
-        const MEDIA_AUDIO      = 0b_0000_0000_0000_0100_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000;
-        const MEDIA_IMAGE      = 0b_0000_0000_0000_1000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000;
-        const MEDIA_SUBTITLE   = 0b_0000_0000_0001_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000;
-        const MEDIA_METADATA   = 0b_0000_0000_0010_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000;
+        const MEDIA_VIDEO      = ffi::GST_ELEMENT_FACTORY_TYPE_MEDIA_VIDEO as u64;
+        const MEDIA_AUDIO      = ffi::GST_ELEMENT_FACTORY_TYPE_MEDIA_AUDIO as u64;
+        const MEDIA_IMAGE      = ffi::GST_ELEMENT_FACTORY_TYPE_MEDIA_IMAGE as u64;
+        const MEDIA_SUBTITLE   = ffi::GST_ELEMENT_FACTORY_TYPE_MEDIA_SUBTITLE as u64;
+        const MEDIA_METADATA   = ffi::GST_ELEMENT_FACTORY_TYPE_MEDIA_METADATA as u64;
 
-        const ANY              = 0b_0000_0000_0000_0001_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111;
-        const MEDIA_ANY        = 0b_1111_1111_1111_1110_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000;
+        const ANY              = ffi::GST_ELEMENT_FACTORY_TYPE_ANY as u64;
+        const MEDIA_ANY        = ffi::GST_ELEMENT_FACTORY_TYPE_MEDIA_ANY as u64;
 
         const VIDEO_ENCODER    = Self::ENCODER.bits | Self::MEDIA_VIDEO.bits | Self::MEDIA_IMAGE.bits;
         const AUDIO_ENCODER    = Self::ENCODER.bits | Self::MEDIA_AUDIO.bits;