diff --git a/apps/recorder/recording.c b/apps/recorder/recording.c
index da0a4a9e4a..065f9ae1fb 100644
--- a/apps/recorder/recording.c
+++ b/apps/recorder/recording.c
@@ -361,9 +361,11 @@ bool recording_screen(void)
     peak_meter_playback(false);
 
 #ifdef HAVE_SPDIF_IN
+#ifndef SIMULATOR
 if (global_settings.rec_source == SOURCE_SPDIF)
     cpu_boost(true);
 #endif
+#endif
 
 #else
     /* Yes, we use the D/A for monitoring */
@@ -1014,9 +1016,11 @@ if (global_settings.rec_source == SOURCE_SPDIF)
     audio_close_recording();
 
 #ifdef HAVE_SPDIF_IN
+#ifndef SIMULATOR
 if (global_settings.rec_source == SOURCE_SPDIF)
     cpu_boost(false);
 #endif
+#endif
 
 #else
     audio_init_playback();