diff --git a/media/libcubeb/README_MOZILLA b/media/libcubeb/README_MOZILLA
index 6f71bf3ba7c9..8c5d8dfe4f22 100644
--- a/media/libcubeb/README_MOZILLA
+++ b/media/libcubeb/README_MOZILLA
@@ -5,4 +5,4 @@ Makefile.in build files for the Mozilla build system.
 
 The cubeb git repository is: git://github.com/kinetiknz/cubeb.git
 
-The git commit ID used was 7712aaabfa140e8c7fe890e3f5f65dfe3fe58632 (2018-03-25 11:30:38 +0200)
+The git commit ID used was 7401fc25a9d87ed57d49648883e3e5658305c1cb (2018-03-26 16:54:01 +0200)
diff --git a/media/libcubeb/src/cubeb.c b/media/libcubeb/src/cubeb.c
index c8dbf43e5951..bb35e0ce349f 100644
--- a/media/libcubeb/src/cubeb.c
+++ b/media/libcubeb/src/cubeb.c
@@ -68,7 +68,7 @@ validate_stream_params(cubeb_stream_params * input_stream_params,
   XASSERT(input_stream_params || output_stream_params);
   if (output_stream_params) {
     if (output_stream_params->rate < 1000 || output_stream_params->rate > 192000 ||
-        output_stream_params->channels < 1 || output_stream_params->channels > 8) {
+        output_stream_params->channels < 1) {
       return CUBEB_ERROR_INVALID_FORMAT;
     }
   }