diff --git a/media/libcubeb/README_MOZILLA b/media/libcubeb/README_MOZILLA
index 75748e4004be..39a164724842 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 9eacd3144b62ce2356c66c3260c9bc4151274192.
+The git commit ID used was 352c0bed012a770ef65aee1e507704922ea80b0e.
diff --git a/media/libcubeb/src/cubeb_resampler_internal.h b/media/libcubeb/src/cubeb_resampler_internal.h
index a60589298971..e165cc276fe7 100644
--- a/media/libcubeb/src/cubeb_resampler_internal.h
+++ b/media/libcubeb/src/cubeb_resampler_internal.h
@@ -263,8 +263,8 @@ public:
    * number of output frames will be exactly equal. */
   uint32_t input_needed_for_output(uint32_t output_frame_count)
   {
-    return (uint32_t)roundf((output_frame_count - samples_to_frames(resampling_out_buffer.length()))
-                          * resampling_ratio);
+    return (uint32_t)ceilf((output_frame_count - samples_to_frames(resampling_out_buffer.length()))
+                           * resampling_ratio);
 
   }