diff --git a/src/encoder.c b/src/encoder.c
index bae5d9f7..e5b0047b 100644
--- a/src/encoder.c
+++ b/src/encoder.c
@@ -1154,8 +1154,32 @@ static void encoder_state_encode_tile(encoder_state * const encoder_state) {
 static void encoder_state_encode(encoder_state * const main_state) {
   //If we have children, encode at child level
   if (main_state->children[0].encoder_control) {
-    int i=0;
-    for (i=0; main_state->children[i].encoder_control; ++i) {
+    int i=0, max_i=0;
+    //OpenMP doesn't like aving a stop condition like main_state->children[i].encoder_control.
+    //We compute max_i to avoid this.
+    for (i=0; main_state->children[i].encoder_control; ++i);
+    max_i = i;
+    if (max_i > 1) {
+#pragma omp parallel for
+      for (i=0; i < max_i; ++i) {
+        encoder_state *sub_state = &(main_state->children[i]);
+        
+        if (sub_state->tile != main_state->tile) {
+          encoder_state_blit_pixels(sub_state, sub_state->tile->cur_pic->y_data, main_state, main_state->tile->cur_pic->y_data, 1);
+          encoder_state_blit_pixels(sub_state, sub_state->tile->cur_pic->u_data, main_state, main_state->tile->cur_pic->u_data, 0);
+          encoder_state_blit_pixels(sub_state, sub_state->tile->cur_pic->v_data, main_state, main_state->tile->cur_pic->v_data, 0);
+        }
+        encoder_state_encode(&main_state->children[i]);
+        //FIXME: substream_write_bitstream(subencoder, (main_state->children[i+1].encoder_control) != NULL);
+        
+        if (sub_state->tile != main_state->tile) {
+          encoder_state_blit_pixels(main_state, main_state->tile->cur_pic->y_recdata, sub_state, sub_state->tile->cur_pic->y_recdata, 1);
+          encoder_state_blit_pixels(main_state, main_state->tile->cur_pic->u_recdata, sub_state, sub_state->tile->cur_pic->u_recdata, 0);
+          encoder_state_blit_pixels(main_state, main_state->tile->cur_pic->v_recdata, sub_state, sub_state->tile->cur_pic->v_recdata, 0);
+        }
+      }
+    } else {
+      i=0;
       encoder_state *sub_state = &(main_state->children[i]);
       
       if (sub_state->tile != main_state->tile) {