diff --git a/sound/pci/cs5535audio/Makefile b/sound/pci/cs5535audio/Makefile
index 2911a8adc1f2380180033e86139cfc30ae40974a..ad947b4c04cce0bf806027c87615f51172c18a92 100644
--- a/sound/pci/cs5535audio/Makefile
+++ b/sound/pci/cs5535audio/Makefile
@@ -4,7 +4,7 @@
 
 snd-cs5535audio-objs := cs5535audio.o cs5535audio_pcm.o
 
-ifdef CONFIG_PM
+ifeq ($(CONFIG_PM),y)
 snd-cs5535audio-objs += cs5535audio_pm.o
 endif