diff --git a/common/source/java/ch/systemsx/cisd/common/filesystem/FileUtilities.java b/common/source/java/ch/systemsx/cisd/common/filesystem/FileUtilities.java
index 1b40978ad4f644cc48c3c6e0b0c362cbd2f8cf56..1a51fff87412fc87fa040a72c4c69bd2de27d48b 100644
--- a/common/source/java/ch/systemsx/cisd/common/filesystem/FileUtilities.java
+++ b/common/source/java/ch/systemsx/cisd/common/filesystem/FileUtilities.java
@@ -2322,7 +2322,10 @@ public final class FileUtilities
                 throw CheckedExceptionTunnel.wrapIfNecessary(exception);
             }
             throw new EnvironmentFailureException("The size of the folder '" + file
-                    + "' couldn't be determined: " + result.getErrorOutput());
+                    + "' couldn't be determined:\n command: " + result.getCommandName() 
+                    + "\n commad line arguments: " + result.getCommandLine() 
+                    + "\n output: " + result.getOutput() 
+                    + "\n error output: "+ result.getErrorOutput());
         }
         return FileUtils.sizeOfDirectory(file);
     }