diff --git a/src/video_decompress/cmpto_j2k.cpp b/src/video_decompress/cmpto_j2k.cpp
index d0eeb6b78..599ebe54e 100644
--- a/src/video_decompress/cmpto_j2k.cpp
+++ b/src/video_decompress/cmpto_j2k.cpp
@@ -255,7 +255,7 @@ r12l_postprocessor_get_sz(
     int comp_count, size_t *temp_buffer_size, size_t *output_buffer_size)
 {
         assert(comp_count == 3);
-        *temp_buffer_size = 0;
+        *temp_buffer_size = 0; // no temp buffer required
         *output_buffer_size = vc_get_datalen(size_x, size_y, R12L);
 }
 #ifdef HAVE_CUDA