diff --git a/teavm-classlib/src/main/java/org/teavm/classlib/java/io/TInputStreamReader.java b/teavm-classlib/src/main/java/org/teavm/classlib/java/io/TInputStreamReader.java
index 88308ff6b..891fb473b 100644
--- a/teavm-classlib/src/main/java/org/teavm/classlib/java/io/TInputStreamReader.java
+++ b/teavm-classlib/src/main/java/org/teavm/classlib/java/io/TInputStreamReader.java
@@ -75,6 +75,9 @@ public class TInputStreamReader extends TReader {
 
     @Override
     public int read(char[] cbuf, int off, int len) throws TIOException {
+        if (eof && outBuffer.end()) {
+            return -1;
+        }
         CharBuffer wrapBuffer = new CharBuffer(cbuf, off, off + len);
         while (!wrapBuffer.end()) {
             wrapBuffer.put(outBuffer);