diff --git a/src/main/java/bdv/server/CellHandler.java b/src/main/java/bdv/server/CellHandler.java
index 8a813caffd120af2f1ab88b332f88f77f668db2c..51b6f71cd857c13265a209471956e71bd16bc81e 100644
--- a/src/main/java/bdv/server/CellHandler.java
+++ b/src/main/java/bdv/server/CellHandler.java
@@ -293,7 +293,7 @@ public class CellHandler extends ContextHandler
 	private static void createThumbnail( final SpimDataMinimal spimData, final String baseFilename )
 	{
 		final File thumbnailFile = new File( baseFilename + ".png" );
-		final BufferedImage bi = ThumbnailGenerator.makeThumbnail( spimData, baseFilename, 100, 100 );
+		final BufferedImage bi = ThumbnailGenerator.makeThumbnail( spimData, baseFilename, Constants.THUMBNAIL_WIDTH, Constants.THUMBNAIL_HEIGHT );
 		try
 		{
 			ImageIO.write( bi, "png", thumbnailFile );
diff --git a/src/main/java/bdv/server/Constants.java b/src/main/java/bdv/server/Constants.java
index 8b59187bc0ade5bf376cafcc61e957934bd789c9..d4a14196f4572f5b4157c31cba8b10a493b488dc 100644
--- a/src/main/java/bdv/server/Constants.java
+++ b/src/main/java/bdv/server/Constants.java
@@ -11,4 +11,8 @@ public class Constants
 			DATASETLIST_CONTEXT_NAME,
 			MANAGER_CONTEXT_NAME
 	};
+
+	public static final int THUMBNAIL_WIDTH = 100;
+
+	public static final int THUMBNAIL_HEIGHT = 100;
 }