diff --git a/source/ngc/audio.cpp b/source/ngc/audio.cpp
index 4ef225f..85e1434 100644
--- a/source/ngc/audio.cpp
+++ b/source/ngc/audio.cpp
@@ -92,7 +92,7 @@ InitGCAudio ()
 	AUDIO_SetDSPSampleRate (AI_SAMPLERATE_32KHZ);
 	AUDIO_RegisterDMACallback (GCMixSamples);
 
-	LWP_CreateThread (&athread, AudioThread, NULL, astack, AUDIOSTACK, 80);
+	LWP_CreateThread (&athread, AudioThread, NULL, astack, AUDIOSTACK, 150);
 }
 
 /****************************************************************************
diff --git a/source/ngc/video.cpp b/source/ngc/video.cpp
index 5265840..035234d 100644
--- a/source/ngc/video.cpp
+++ b/source/ngc/video.cpp
@@ -287,7 +287,7 @@ InitVideoThread ()
 	LWP_InitQueue (&videoblankqueue);
 
 	/*** Create the thread on this queue ***/
-	LWP_CreateThread (&vbthread, vbgetback, NULL, vbstack, TSTACK, 80);
+	LWP_CreateThread (&vbthread, vbgetback, NULL, vbstack, TSTACK, 150);
 }
 
 /****************************************************************************