diff --git a/jar/PDFLibrary.jar b/jar/PDFLibrary.jar
index 7b21ca8413ae0c95bc5dc7898749f241d2bc89ee..8e56dcb70759aaba37895023aad256ed750336cc 100644
Binary files a/jar/PDFLibrary.jar and b/jar/PDFLibrary.jar differ
diff --git a/src/main/java/fybug/nulll/pdfunctionlibrary/Util/DataContainer.java b/src/main/java/fybug/nulll/pdfunctionlibrary/Util/DataContainer.java
index 9865da4ea81fc5a501617320c23d46263c82db09..8482b5b6550b0df24d03af7b2c0896dea0ff57d0 100644
--- a/src/main/java/fybug/nulll/pdfunctionlibrary/Util/DataContainer.java
+++ b/src/main/java/fybug/nulll/pdfunctionlibrary/Util/DataContainer.java
@@ -219,7 +219,7 @@ class DataContainer<V> extends ConsistentField implements Cloneable, CanEmpty {
         @NotNull
         protected
         DataContainer<V> setValue(@Nullable final V value) {
-            Cleanable.checkClose(Cleanable.errmessage, value);
+            Cleanable.checkClose(Cleanable.errmessage, this.value);
             @Nullable final Object[] v;
 
             synchronized ( this ){
@@ -274,7 +274,7 @@ class DataContainer<V> extends ConsistentField implements Cloneable, CanEmpty {
         @NotNull
         protected
         DataContainer<V> setValue(@Nullable final V value) {
-            Cleanable.checkClose(Cleanable.errmessage, value);
+            Cleanable.checkClose(Cleanable.errmessage, this.value);
             @Nullable final Object[] v;
             v = this.value;
             if (CheckObject.checkNull(v).length < 1)