diff --git a/src/pcm/pcm_simple.c b/src/pcm/pcm_simple.c
index f943ec09..ce110833 100644
--- a/src/pcm/pcm_simple.c
+++ b/src/pcm/pcm_simple.c
@@ -173,8 +173,8 @@ int snd_spcm_init(snd_pcm_t *pcm,
 	snd_pcm_sw_params_alloca(&sw_params);
 
 	assert(pcm);
-	assert(rate > 5000 && rate < 192000);
-	assert(channels > 1 && channels < 512);
+	assert(rate >= 5000 && rate <= 192000);
+	assert(channels >= 1 && channels <= 512);
 
 	rrate = rate;
 	err = set_buffer_time(latency, &buffer_time);
@@ -233,8 +233,8 @@ int snd_spcm_init_duplex(snd_pcm_t *playback_pcm,
 
 	assert(playback_pcm);
 	assert(capture_pcm);
-	assert(rate > 5000 && rate < 192000);
-	assert(channels > 1 && channels < 512);
+	assert(rate >= 5000 && rate <= 192000);
+	assert(channels >= 1 && channels <= 512);
 
 	pcms[0] = playback_pcm;
 	pcms[1] = capture_pcm;