diff --git a/gstreamer-app/src/app_sink.rs b/gstreamer-app/src/app_sink.rs
index b244cc69a..2b4e9927e 100644
--- a/gstreamer-app/src/app_sink.rs
+++ b/gstreamer-app/src/app_sink.rs
@@ -1281,7 +1281,7 @@ impl AppSinkBuilder {
 
     #[cfg(feature = "v1_16")]
     #[cfg_attr(docsrs, doc(cfg(feature = "v1_16")))]
-    pub fn processing_deadline(self, processing_deadline: i64) -> Self {
+    pub fn processing_deadline(self, processing_deadline: gst::ClockTime) -> Self {
         Self {
             builder: self
                 .builder