diff --git a/library/core/src/main/java/com/google/android/exoplayer2/text/pgs/PgsDecoder.java b/library/core/src/main/java/com/google/android/exoplayer2/text/pgs/PgsDecoder.java
index ee0899af82..47dd6e2fdf 100644
--- a/library/core/src/main/java/com/google/android/exoplayer2/text/pgs/PgsDecoder.java
+++ b/library/core/src/main/java/com/google/android/exoplayer2/text/pgs/PgsDecoder.java
@@ -177,8 +177,7 @@ public final class PgsDecoder extends SimpleSubtitleDecoder {
         }
         bitmapWidth = buffer.readUnsignedShort();
         bitmapHeight = buffer.readUnsignedShort();
-        bitmapData.setPosition(0);
-        bitmapData.setLimit(totalLength - 4);
+        bitmapData.reset(totalLength - 4);
         sectionLength -= 7;
       }