diff --git a/src/core/audioapi.cpp b/src/core/audioapi.cpp
index b771f0df..e4fbf317 100644
--- a/src/core/audioapi.cpp
+++ b/src/core/audioapi.cpp
@@ -106,6 +106,7 @@ exit:
 audioapi_instance::audioapi_instance()
 	: dummyproc(*this)
 {
+	dummythread = NULL;
 	music_ptr = 0;
 	last_complete_music_seen = MUSIC_BUFFERS + 1;
 	last_complete_music = MUSIC_BUFFERS;