diff --git a/src/sound/snd_sb.c b/src/sound/snd_sb.c
index 9712f9cc6..aa00b33a4 100644
--- a/src/sound/snd_sb.c
+++ b/src/sound/snd_sb.c
@@ -1630,7 +1630,7 @@ sb_pro_cs423x_init(const device_t *info)
     sb_t *sb = malloc(sizeof(sb_t));
     memset(sb, 0, sizeof(sb_t));
 
-    sb->opl_enabled = 1;
+    sb->opl_enabled = 1; /* WSS can disable this to take ownership of the OPL */
     opl3_init(&sb->opl);
 
     sb_dsp_init(&sb->dsp, SBPRO2, SB_SUBTYPE_DEFAULT, sb);
diff --git a/src/sound/snd_wss.c b/src/sound/snd_wss.c
index d77b781ea..80b27cf9d 100644
--- a/src/sound/snd_wss.c
+++ b/src/sound/snd_wss.c
@@ -89,7 +89,7 @@ wss_get_buffer(int32_t *buffer, int len, void *priv)
     ad1848_update(&wss->ad1848);
     for (c = 0; c < len * 2; c++) {
 	buffer[c] += wss->opl.buffer[c];
-	buffer[c] += (wss->ad1848.buffer[c] / 2);
+	buffer[c] += wss->ad1848.buffer[c] / 2;
     }
 
     wss->opl.pos = 0;