diff --git a/webrtc/sendrecv/gst-rust/src/main.rs b/webrtc/sendrecv/gst-rust/src/main.rs
index 0dc2dc4dcf..18bd85c83e 100644
--- a/webrtc/sendrecv/gst-rust/src/main.rs
+++ b/webrtc/sendrecv/gst-rust/src/main.rs
@@ -126,7 +126,7 @@ fn check_plugins() -> Result<(), Error> {
     let registry = gst::Registry::get();
     let missing = needed
         .iter()
-        .filter(|n| registry.find_plugin(n).is_some())
+        .filter(|n| registry.find_plugin(n).is_none())
         .map(|n| *n)
         .collect::<Vec<_>>();