diff --git a/libavcodec/pgssubdec.c b/libavcodec/pgssubdec.c
index 886685b4b5..a6a43ae32b 100644
--- a/libavcodec/pgssubdec.c
+++ b/libavcodec/pgssubdec.c
@@ -297,8 +297,11 @@ static int parse_object_segment(AVCodecContext *avctx,
 
     av_fast_malloc(&object->rle, &object->rle_buffer_size, rle_bitmap_len);
 
-    if (!object->rle)
+    if (!object->rle) {
+        object->rle_data_len      = 0;
+        object->rle_remaining_len = 0;
         return AVERROR(ENOMEM);
+    }
 
     memcpy(object->rle, buf, buf_size);
     object->rle_data_len = buf_size;