diff --git a/examples/cwebp.c b/examples/cwebp.c
index 2348d272..ef84a426 100644
--- a/examples/cwebp.c
+++ b/examples/cwebp.c
@@ -779,7 +779,7 @@ static int DumpPicture(const WebPPicture* const picture, const char* PGM_name) {
 
 static int ProgressReport(int percent, const WebPPicture* const picture) {
   printf("[%s]: %3d %%      \r",
-         (char*)picture->stats->user_data, percent);
+         (char*)picture->user_data, percent);
   fflush(stdout);
   return 1;  // all ok
 }
@@ -1127,7 +1127,7 @@ int main(int argc, const char *argv[]) {
   }
   if (!quiet) {
     picture.stats = &stats;
-    stats.user_data = (void*)in_file;
+    picture.user_data = (void*)in_file;
   }
 
   // Compress
diff --git a/src/enc/webpenc.c b/src/enc/webpenc.c
index a00ac640..8649ce2d 100644
--- a/src/enc/webpenc.c
+++ b/src/enc/webpenc.c
@@ -344,6 +344,8 @@ int WebPEncode(const WebPConfig* config, WebPPicture* pic) {
   if (pic->width > WEBP_MAX_DIMENSION || pic->height > WEBP_MAX_DIMENSION)
     return WebPEncodingSetError(pic, VP8_ENC_ERROR_BAD_DIMENSION);
 
+  if (pic->stats != NULL) memset(pic->stats, 0, sizeof(*pic->stats));
+
   if (!config->lossless) {
     VP8Encoder* enc = NULL;
     if (pic->y == NULL || pic->u == NULL || pic->v == NULL) {
diff --git a/src/webp/encode.h b/src/webp/encode.h
index 8c89626c..dfaf0bbf 100644
--- a/src/webp/encode.h
+++ b/src/webp/encode.h
@@ -172,9 +172,6 @@ typedef struct {
   int alpha_data_size;    // size of the transparency data
   int layer_data_size;    // size of the enhancement layer data
 
-  void* user_data;        // this field is free to be set to any value and
-                          // used during callbacks (like progress-report e.g.).
-
   // lossless encoder statistics
   uint32_t lossless_features;  // bit0:predictor bit1:cross-color transform
                                // bit2:subtract-green bit3:color indexing
@@ -301,6 +298,9 @@ struct WebPPicture {
   // If not NULL, report progress during encoding.
   WebPProgressHook progress_hook;
 
+  void* user_data;        // this field is free to be set to any value and
+                          // used during callbacks (like progress-report e.g.).
+
   uint32_t pad3[3];       // padding for later use
 
   // Unused for now: original samples (for non-YUV420 modes)