diff --git a/core/todo.txt b/core/todo.txt
index fb90d9ed2..b41451b2b 100644
--- a/core/todo.txt
+++ b/core/todo.txt
@@ -2,6 +2,8 @@
 X make edits to core so that awt can be flagged off, and lwjgl can run
 X   https://github.com/codeanticode/processing-openjdk/commit/ac9abc18655daaa538ef16945687177334f3596e
 X   add --disable-awt to PApplet.main()
+X fix for precision issues with PDF
+X   https://github.com/processing/processing/issues/5801#issuecomment-466632459
 
 
 before final release
@@ -21,8 +23,6 @@ _   move AWT code out of PImage, and into its own PImageJava2D class
 _   how to handle with JavaFX?
 _   https://github.com/processing/processing4/issues/56
 
-_ possible fix for precision issues with PDF
-_   https://github.com/processing/processing/issues/5801#issuecomment-466632459
 
 
 high-ish
diff --git a/java/libraries/pdf/src/processing/pdf/PGraphicsPDF.java b/java/libraries/pdf/src/processing/pdf/PGraphicsPDF.java
index 5987508c6..ce72d44a1 100644
--- a/java/libraries/pdf/src/processing/pdf/PGraphicsPDF.java
+++ b/java/libraries/pdf/src/processing/pdf/PGraphicsPDF.java
@@ -29,6 +29,7 @@ import java.util.*;
 
 import com.lowagie.text.*;
 import com.lowagie.text.pdf.*;
+import com.lowagie.text.pdf.ByteBuffer;
 
 import processing.awt.PGraphicsJava2D;
 import processing.core.*;
@@ -121,6 +122,9 @@ public class PGraphicsPDF extends PGraphicsJava2D {
 //    long t0 = System.currentTimeMillis();
 
     if (document == null) {
+      // https://github.com/processing/processing/issues/5801#issuecomment-466632459
+      ByteBuffer.HIGH_PRECISION = true;
+
       document = new Document(new Rectangle(width, height));
       boolean missingPath = false;
       try {