diff --git a/vp8/encoder/encodeframe.c b/vp8/encoder/encodeframe.c
index 4a936ec4a293e670f0ed5bf2aa9c77a2ea4eabef..2f3905fe66ffef05473014f11b12723fb081e43d 100644
--- a/vp8/encoder/encodeframe.c
+++ b/vp8/encoder/encodeframe.c
@@ -830,6 +830,7 @@ void vp8_encode_frame(VP8_COMP *cpi)
 
                 xd->mode_info_context += xd->mode_info_stride * cpi->encoding_thread_count;
                 x->partition_info  += xd->mode_info_stride * cpi->encoding_thread_count;
+                x->gf_active_ptr   += cm->mb_cols * cpi->encoding_thread_count;
 
             }
 
diff --git a/vp8/encoder/ethreading.c b/vp8/encoder/ethreading.c
index c00494dcff1ecdcdb8e34f19f845ae797f95e3a2..7feee4e9ffb616b4f60c6f86cc0f96f4701ca703 100644
--- a/vp8/encoder/ethreading.c
+++ b/vp8/encoder/ethreading.c
@@ -264,6 +264,7 @@ THREAD_FUNCTION thread_encoding_proc(void *p_data)
 
                 xd->mode_info_context += xd->mode_info_stride * cpi->encoding_thread_count;
                 x->partition_info += xd->mode_info_stride * cpi->encoding_thread_count;
+                x->gf_active_ptr   += cm->mb_cols * cpi->encoding_thread_count;
 
                 if (mb_row == cm->mb_rows - 1)
                 {