diff --git a/imageio/imageio-tiff/src/main/java/com/twelvemonkeys/imageio/plugins/tiff/TIFFImageReader.java b/imageio/imageio-tiff/src/main/java/com/twelvemonkeys/imageio/plugins/tiff/TIFFImageReader.java
index a1b920dc..3f04b1ec 100755
--- a/imageio/imageio-tiff/src/main/java/com/twelvemonkeys/imageio/plugins/tiff/TIFFImageReader.java
+++ b/imageio/imageio-tiff/src/main/java/com/twelvemonkeys/imageio/plugins/tiff/TIFFImageReader.java
@@ -1906,7 +1906,7 @@ public class TIFFImageReader extends ImageReaderBase {
             case TIFFBaseline.COMPRESSION_PACKBITS:
                 return new DecoderStream(stream, new PackBitsDecoder(), 1024);
             case TIFFExtension.COMPRESSION_LZW:
-                return new DecoderStream(stream, LZWDecoder.create(LZWDecoder.isOldBitReversedStream(stream)), Math.max(width * bands, 1024));
+                return new DecoderStream(stream, LZWDecoder.create(LZWDecoder.isOldBitReversedStream(stream)), Math.max(width * bands, 4096));
             case TIFFExtension.COMPRESSION_ZLIB:
                 // TIFFphotoshop.pdf (aka TIFF specification, supplement 2) says ZLIB (8) and DEFLATE (32946) algorithms are identical
             case TIFFExtension.COMPRESSION_DEFLATE:
diff --git a/imageio/imageio-tiff/src/test/java/com/twelvemonkeys/imageio/plugins/tiff/TIFFImageReaderTest.java b/imageio/imageio-tiff/src/test/java/com/twelvemonkeys/imageio/plugins/tiff/TIFFImageReaderTest.java
index 54822508..758f7fad 100644
--- a/imageio/imageio-tiff/src/test/java/com/twelvemonkeys/imageio/plugins/tiff/TIFFImageReaderTest.java
+++ b/imageio/imageio-tiff/src/test/java/com/twelvemonkeys/imageio/plugins/tiff/TIFFImageReaderTest.java
@@ -91,6 +91,7 @@ public class TIFFImageReaderTest extends ImageReaderAbstractTest<TIFFImageReader
                 new TestData(getClassLoaderResource("/tiff/lzw-rgba-padded-icc.tif"), new Dimension(19, 11)), // RGBA, LZW compression with padded ICC profile
                 new TestData(getClassLoaderResource("/tiff/lzw-rgba-4444.tif"), new Dimension(64, 64)), // RGBA, LZW compression with UINT 4/4/4/4 + gray 2/2
                 new TestData(getClassLoaderResource("/tiff/lzw-buffer-overflow.tif"), new Dimension(5, 49)), // RGBA, LZW compression, will throw IOOBE if small buffer
+                new TestData(getClassLoaderResource("/tiff/lzw-colormap-iiobe.tif"), new Dimension(2550, 3300)), // RGBA, LZW compression, will throw IOOBE if small buffer
                 new TestData(getClassLoaderResource("/tiff/scan-mono-iccgray.tif"), new Dimension(2408, 3436)), // B/W, PackBits w/gray ICC profile
                 new TestData(getClassLoaderResource("/tiff/planar-striped-lzw.tif"), new Dimension(229, 229)), // RGB 8 bit/sample, planar, LZW compression
                 // CCITT
diff --git a/imageio/imageio-tiff/src/test/resources/tiff/lzw-colormap-iiobe.tif b/imageio/imageio-tiff/src/test/resources/tiff/lzw-colormap-iiobe.tif
new file mode 100644
index 00000000..0deab827
Binary files /dev/null and b/imageio/imageio-tiff/src/test/resources/tiff/lzw-colormap-iiobe.tif differ