diff --git a/dsound_private.h b/dsound_private.h
index 40e3729..783fdcf 100644
--- a/dsound_private.h
+++ b/dsound_private.h
@@ -489,7 +489,7 @@ enum {
  */
 #define MAX_HWBUFFERS 128
 
-#define MAX_SOURCES 256
+#define MAX_SOURCES 512
 typedef struct SourceCollection {
     DWORD maxhw_alloc, availhw_num;
     DWORD maxsw_alloc, availsw_num;