diff --git a/src/area_selector/mod.rs b/src/area_selector/mod.rs
index ecad2163..87cd3004 100644
--- a/src/area_selector/mod.rs
+++ b/src/area_selector/mod.rs
@@ -276,6 +276,12 @@ impl AreaSelector {
         // Wait for pipeline to be on playing state
         async_done_rx.await.unwrap()?;
 
+        // This is enabled by setting `GST_DEBUG_DUMP_DOT_DIR` to a directory (e.g. `GST_DEBUG_DUMP_DOT_DIR=.`).
+        pipeline.debug_to_dot_file_with_ts(
+            gst::DebugGraphDetails::VERBOSE,
+            "kooha-area-selector-pipeline",
+        );
+
         // Get stream size
         let caps = videosrc_bin
             .static_pad("src")
diff --git a/src/recording.rs b/src/recording.rs
index a5628150..293c2225 100644
--- a/src/recording.rs
+++ b/src/recording.rs
@@ -575,8 +575,10 @@ impl Recording {
                 tracing::trace!("Received async-done message on bus: {:?}", ad);
 
                 // This is enabled by setting `GST_DEBUG_DUMP_DOT_DIR` to a directory (e.g. `GST_DEBUG_DUMP_DOT_DIR=.`).
-                self.pipeline()
-                    .debug_to_dot_file_with_ts(gst::DebugGraphDetails::VERBOSE, "kooha-pipeline");
+                self.pipeline().debug_to_dot_file_with_ts(
+                    gst::DebugGraphDetails::VERBOSE,
+                    "kooha-recording-pipeline",
+                );
 
                 glib::ControlFlow::Continue
             }