diff --git a/src/modules/module-protocol-pulse/pulse-server.c b/src/modules/module-protocol-pulse/pulse-server.c
index 3ab8075ab..cf6258b57 100644
--- a/src/modules/module-protocol-pulse/pulse-server.c
+++ b/src/modules/module-protocol-pulse/pulse-server.c
@@ -4609,6 +4609,9 @@ static int do_update_stream_sample_rate(struct client *client, uint32_t command,
 	if (stream == NULL || stream->type == STREAM_TYPE_UPLOAD)
 		return -ENOENT;
 
+	if (rate == 0 || rate > RATE_MAX)
+		return -EINVAL;
+
 	stream->rate = rate;
 
 	corr = (float)rate/(float)stream->ss.rate;