diff --git a/gstreamer-audio/src/audio_format_info.rs b/gstreamer-audio/src/audio_format_info.rs
index fa958263d..9c845447d 100644
--- a/gstreamer-audio/src/audio_format_info.rs
+++ b/gstreamer-audio/src/audio_format_info.rs
@@ -369,6 +369,14 @@ impl glib::translate::FromGlibPtrNone<*mut ffi::GstAudioFormatInfo> for AudioFor
     }
 }
 
+#[doc(hidden)]
+impl glib::translate::FromGlibPtrNone<*const ffi::GstAudioFormatInfo> for AudioFormatInfo {
+    #[inline]
+    unsafe fn from_glib_none(ptr: *const ffi::GstAudioFormatInfo) -> Self {
+        AudioFormatInfo(&*ptr)
+    }
+}
+
 #[cfg(test)]
 mod tests {
     use super::*;
diff --git a/gstreamer-video/src/video_format_info.rs b/gstreamer-video/src/video_format_info.rs
index 29d94f826..5ec00f9cb 100644
--- a/gstreamer-video/src/video_format_info.rs
+++ b/gstreamer-video/src/video_format_info.rs
@@ -471,6 +471,14 @@ impl glib::translate::FromGlibPtrNone<*mut ffi::GstVideoFormatInfo> for VideoFor
     }
 }
 
+#[doc(hidden)]
+impl glib::translate::FromGlibPtrNone<*const ffi::GstVideoFormatInfo> for VideoFormatInfo {
+    #[inline]
+    unsafe fn from_glib_none(ptr: *const ffi::GstVideoFormatInfo) -> Self {
+        VideoFormatInfo(&*ptr)
+    }
+}
+
 #[cfg(test)]
 mod tests {
     use super::*;