diff --git a/source/de/anomic/yacy/resourceObserver.java b/source/de/anomic/yacy/resourceObserver.java
index 68df46fdc..d3e4bde0b 100644
--- a/source/de/anomic/yacy/resourceObserver.java
+++ b/source/de/anomic/yacy/resourceObserver.java
@@ -49,7 +49,7 @@ import de.anomic.tools.diskUsage;
 public final class resourceObserver {
     // The minimal free space on every used volume, for now set to 100 MB.
     // TODO make it configurable
-    private final static long MIN_FREE_DISK_SPACE = 104857600L;
+    private final static long MIN_FREE_DISK_SPACE = 100L /* MiB */ * 1024L * 1024L;
     // Unknown for now
     private final static long MIN_FREE_MEMORY = 0;
     // We are called with the cleanup job every five minutes;