diff --git a/vp8/encoder/denoising.c b/vp8/encoder/denoising.c
index 9ad411366..94aa2ca24 100644
--- a/vp8/encoder/denoising.c
+++ b/vp8/encoder/denoising.c
@@ -383,6 +383,7 @@ void vp8_denoiser_free(VP8_DENOISER *denoiser)
         vp8_yv12_de_alloc_frame_buffer(&denoiser->yv12_running_avg[i]);
     }
     vp8_yv12_de_alloc_frame_buffer(&denoiser->yv12_mc_running_avg);
+    vpx_free(denoiser->denoise_state);
 }