diff --git a/gstreamer/src/pad_template.rs b/gstreamer/src/pad_template.rs
index d6c74cc3a..d86828119 100644
--- a/gstreamer/src/pad_template.rs
+++ b/gstreamer/src/pad_template.rs
@@ -101,6 +101,7 @@ impl PadTemplate {
     }
 }
 
+#[must_use = "The builder must be built to be used"]
 #[derive(Debug)]
 pub struct PadTemplateBuilder<'a> {
     name_template: &'a str,