diff --git a/screening/resource/test-data/Simple16BitImageDropboxTest/1_2_DAPI_256x256_25_100.png b/screening/resource/test-data/Simple16BitImageDropboxTest/1_2_DAPI_256x256_25_100.png
new file mode 100644
index 0000000000000000000000000000000000000000..30025a1e4212e19c5e165d6d4e70a0e348043a8e
Binary files /dev/null and b/screening/resource/test-data/Simple16BitImageDropboxTest/1_2_DAPI_256x256_25_100.png differ
diff --git a/screening/sourceTest/java/ch/systemsx/cisd/openbis/screening/systemtests/Simple16BitImageDropboxTest.java b/screening/sourceTest/java/ch/systemsx/cisd/openbis/screening/systemtests/Simple16BitImageDropboxTest.java
index ceae9b7ae5147fdb041bd91c49c201e808380a4e..d526f92a42c08c20152d9e975274dd73a787728a 100644
--- a/screening/sourceTest/java/ch/systemsx/cisd/openbis/screening/systemtests/Simple16BitImageDropboxTest.java
+++ b/screening/sourceTest/java/ch/systemsx/cisd/openbis/screening/systemtests/Simple16BitImageDropboxTest.java
@@ -54,6 +54,9 @@ public class Simple16BitImageDropboxTest extends AbstractImageDropboxTestCase
                 new ImageLoader(dataSet, sessionToken).tileColumn(2).channel("DAPI"));
         imageChecker.check(new File(getTestDataFolder(), "1_2_DAPI_256x256.png"), 
                 new ImageLoader(dataSet, sessionToken).tileColumn(2).channel("DAPI").mode("thumbnail256x256"));
+        imageChecker.check(new File(getTestDataFolder(), "1_2_DAPI_256x256_25_100.png"), 
+                new ImageLoader(dataSet, sessionToken).tileColumn(2).channel("DAPI")
+                    .rescaling("", 25, 100).mode("thumbnail256x256"));
         imageChecker.check(new File(getTestDataFolder(), "1_2_DAPI_1392x1040.png"), 
                 new ImageLoader(dataSet, sessionToken).tileColumn(2).channel("DAPI").mode("thumbnail1392x1040"));
         imageChecker.check(new File(getTestDataFolder(), "1_2_Merged_1392x1040.png"),