diff --git a/plugins/mac-capture/mac-sck-audio-capture.m b/plugins/mac-capture/mac-sck-audio-capture.m
index 7f94be842..2ad26d50f 100644
--- a/plugins/mac-capture/mac-sck-audio-capture.m
+++ b/plugins/mac-capture/mac-sck-audio-capture.m
@@ -175,7 +175,7 @@ static bool init_audio_screen_stream(struct screen_capture *sc)
 
 static void sck_audio_capture_defaults(obs_data_t *settings)
 {
-    obs_data_set_default_obj(settings, "application", NULL);
+    obs_data_set_default_string(settings, "application", NULL);
     obs_data_set_default_int(settings, "type", ScreenCaptureAudioDesktopStream);
 }
 
diff --git a/plugins/mac-capture/mac-sck-video-capture.m b/plugins/mac-capture/mac-sck-video-capture.m
index 7fd7bfa29..18bcda8f3 100644
--- a/plugins/mac-capture/mac-sck-video-capture.m
+++ b/plugins/mac-capture/mac-sck-video-capture.m
@@ -399,7 +399,7 @@ static void sck_video_capture_defaults(obs_data_t *settings)
     CFRelease(uuid_string);
     CFRelease(display_uuid);
 
-    obs_data_set_default_obj(settings, "application", NULL);
+    obs_data_set_default_string(settings, "application", NULL);
     obs_data_set_default_int(settings, "type", ScreenCaptureDisplayStream);
     obs_data_set_default_int(settings, "window", kCGNullWindowID);
     obs_data_set_default_bool(settings, "show_cursor", true);