diff --git a/sound/pci/cs46xx/dsp_spos_scb_lib.c b/sound/pci/cs46xx/dsp_spos_scb_lib.c
index 509aa2b63331082b7ea2d956e782e802eefb3be8..d4e0fb39bd069f9c3b13c57778cbc884374e7929 100644
--- a/sound/pci/cs46xx/dsp_spos_scb_lib.c
+++ b/sound/pci/cs46xx/dsp_spos_scb_lib.c
@@ -675,7 +675,7 @@ cs46xx_dsp_create_src_task_scb(struct snd_cs46xx * chip, char * scb_name,
 		if (pass_through) {
 			/* wont work with any other rate than
 			   the native DSP rate */
-			snd_assert (rate = 48000);
+			snd_assert (rate == 48000);
 
 			scb = cs46xx_dsp_create_generic_scb(chip,scb_name,(u32 *)&src_task_scb,
 							    dest,"DMAREADER",parent_scb,