diff --git a/common/source/java/ch/systemsx/cisd/common/utilities/OSUtilities.java b/common/source/java/ch/systemsx/cisd/common/utilities/OSUtilities.java
index 917de7ec5800e8f0eabfdcc0e8a85d216922eb1b..6c3dcef10ef643c0997687f4f22c04d35c8c00ca 100644
--- a/common/source/java/ch/systemsx/cisd/common/utilities/OSUtilities.java
+++ b/common/source/java/ch/systemsx/cisd/common/utilities/OSUtilities.java
@@ -268,7 +268,7 @@ public class OSUtilities
             case UNIX:
                 return "\n";
             case WINDOWS:
-                return "\t\n";
+                return "\r\n";
             default:
                 throw new IllegalStateException("unknown os " + osKind);
         }