diff --git a/net/rtp/src/av1/depay/imp.rs b/net/rtp/src/av1/depay/imp.rs
index 6508fb9f..ab2eb423 100644
--- a/net/rtp/src/av1/depay/imp.rs
+++ b/net/rtp/src/av1/depay/imp.rs
@@ -282,6 +282,8 @@ impl RTPAv1Depay {
                 )?;
                 state.obu_fragment = None;
             }
+
+            idx += 1;
         }
 
         // handle other OBUs, including trailing fragments