diff --git a/gstreamer-audio/src/audio_format.rs b/gstreamer-audio/src/audio_format.rs
index eb7e337a2..1c5578e09 100644
--- a/gstreamer-audio/src/audio_format.rs
+++ b/gstreamer-audio/src/audio_format.rs
@@ -364,7 +364,8 @@ mod tests {
     fn test_display() {
         gst::init().unwrap();
 
-        format!("{}", crate::AudioFormat::S16be);
+        assert_eq!(format!("{}", crate::AudioFormat::S16be), "S16BE");
+        assert_eq!(format!("{:?}", crate::AudioFormat::S16be), "S16be");
     }
 
     #[test]
diff --git a/gstreamer-video/src/video_format.rs b/gstreamer-video/src/video_format.rs
index 41aa75889..36828ca16 100644
--- a/gstreamer-video/src/video_format.rs
+++ b/gstreamer-video/src/video_format.rs
@@ -484,7 +484,8 @@ mod tests {
     fn test_display() {
         gst::init().unwrap();
 
-        format!("{}", crate::VideoFormat::Nv16);
+        assert_eq!(format!("{}", crate::VideoFormat::Nv16), "NV16");
+        assert_eq!(format!("{:?}", crate::VideoFormat::Nv16), "Nv16");
     }
 
     #[test]