diff --git a/src/libsysprof-capture/sysprof-capture-writer-cat.c b/src/libsysprof-capture/sysprof-capture-writer-cat.c
index 23a19b4c..16ac3482 100644
--- a/src/libsysprof-capture/sysprof-capture-writer-cat.c
+++ b/src/libsysprof-capture/sysprof-capture-writer-cat.c
@@ -402,6 +402,7 @@ sysprof_capture_writer_cat (SysprofCaptureWriter *self,
                                                      frame->frame.time,
                                                      frame->frame.cpu,
                                                      frame->frame.pid,
+                                                     frame->bus_type,
                                                      frame->flags,
                                                      frame->message,
                                                      frame->message_len);
diff --git a/src/libsysprof-capture/sysprof-capture-writer.c b/src/libsysprof-capture/sysprof-capture-writer.c
index 28baeec5..aa2f9481 100644
--- a/src/libsysprof-capture/sysprof-capture-writer.c
+++ b/src/libsysprof-capture/sysprof-capture-writer.c
@@ -772,7 +772,8 @@ sysprof_capture_writer_add_dbus_message (SysprofCaptureWriter *self,
                                          int64_t               time,
                                          int                   cpu,
                                          int32_t               pid,
-                                         uint32_t              flags,
+                                         uint16_t              bus_type,
+                                         uint16_t              flags,
                                          const uint8_t        *message_data,
                                          size_t                message_len)
 {
@@ -802,6 +803,7 @@ sysprof_capture_writer_add_dbus_message (SysprofCaptureWriter *self,
                                      time,
                                      SYSPROF_CAPTURE_FRAME_DBUS_MESSAGE);
 
+  ev->bus_type = bus_type;
   ev->flags = flags;
   ev->message_len = message_len;
   memcpy (ev->message, message_data, message_len);
diff --git a/src/libsysprof-capture/sysprof-capture-writer.h b/src/libsysprof-capture/sysprof-capture-writer.h
index 3ec27503..f18d217d 100644
--- a/src/libsysprof-capture/sysprof-capture-writer.h
+++ b/src/libsysprof-capture/sysprof-capture-writer.h
@@ -234,7 +234,8 @@ bool                  sysprof_capture_writer_add_dbus_message                (Sy
                                                                               int64_t                            time,
                                                                               int                                cpu,
                                                                               int32_t                            pid,
-                                                                              uint32_t                           flags,
+                                                                              uint16_t                           bus_type,
+                                                                              uint16_t                           flags,
                                                                               const uint8_t                     *message_data,
                                                                               size_t                             message_len);
 SYSPROF_AVAILABLE_IN_ALL
diff --git a/src/libsysprof/sysprof-dbus-monitor.c b/src/libsysprof/sysprof-dbus-monitor.c
index becfe734..d1da301e 100644
--- a/src/libsysprof/sysprof-dbus-monitor.c
+++ b/src/libsysprof/sysprof-dbus-monitor.c
@@ -173,6 +173,7 @@ sysprof_dbus_monitor_record_fiber (gpointer user_data)
                                                    SYSPROF_CAPTURE_CURRENT_TIME,
                                                    -1,
                                                    -1,
+                                                   record->bus_type,
                                                    SYSPROF_CAPTURE_DBUS_FLAGS_MESSAGE_TOO_LARGE,
                                                    NULL, 0);
 
@@ -209,6 +210,7 @@ sysprof_dbus_monitor_record_fiber (gpointer user_data)
                                                    SYSPROF_CAPTURE_CURRENT_TIME,
                                                    -1,
                                                    -1,
+                                                   record->bus_type,
                                                    0,
                                                    read_buffer, n_needed);
         }