diff --git a/sys/src/9/pc/audiohda.c b/sys/src/9/pc/audiohda.c
index 414461944..245ec705d 100644
--- a/sys/src/9/pc/audiohda.c
+++ b/sys/src/9/pc/audiohda.c
@@ -1781,7 +1781,7 @@ hdamatch(Pcidev *p)
 		case (0x8086 << 16) | 0x3a6e:	/* Intel ICH10 */
 		case (0x8086 << 16) | 0x3198:   /* Intel Gemini-Lake */
 		case (0x8086 << 16) | 0x8d20:	/* Intel C610/X99 */
-		case (0x8086 << 16) | 0x0f04:	/* Atom Z36*/Z37* */
+		case (0x8086 << 16) | 0x0f04:	/* Atom Z36*,Z37* */
 
 		case (0x10de << 16) | 0x026c:	/* NVidia MCP51 (untested) */
 		case (0x10de << 16) | 0x0371:	/* NVidia MCP55 (untested) */