diff --git a/image_readers/source/java/ch/systemsx/cisd/imagereaders/bioformats/BioFormatsReaderLibrary.java b/image_readers/source/java/ch/systemsx/cisd/imagereaders/bioformats/BioFormatsReaderLibrary.java
index 482306d112174ecd5d6be564252d1c65835ba629..fc25f649a33f9eb1688d0cfa2b5f61221933165d 100644
--- a/image_readers/source/java/ch/systemsx/cisd/imagereaders/bioformats/BioFormatsReaderLibrary.java
+++ b/image_readers/source/java/ch/systemsx/cisd/imagereaders/bioformats/BioFormatsReaderLibrary.java
@@ -69,6 +69,7 @@ public class BioFormatsReaderLibrary implements IImageReaderLibrary
         }
         final IFormatReader formatReaderOrNull =
                 BioFormatsImageUtils.tryToCreateReaderByName(readerNameToUse);
+        formatReaderOrNull.setGroupFiles(false);
         return tryAdaptFormatReader(formatReaderOrNull, singleImagePerFile);
     }