diff --git a/source/de/anomic/crawler/RobotsTxtEntry.java b/source/de/anomic/crawler/RobotsTxtEntry.java
index 413761825..2e5d20737 100644
--- a/source/de/anomic/crawler/RobotsTxtEntry.java
+++ b/source/de/anomic/crawler/RobotsTxtEntry.java
@@ -113,11 +113,11 @@ public class RobotsTxtEntry {
 
         this.mem = new LinkedHashMap<String, byte[]>(10);
         this.mem.put(HOST_NAME, UTF8.getBytes(this.hostName));
-        if (loadedDate != null) this.mem.put(LOADED_DATE, UTF8.getBytes(Long.toString(loadedDate.getTime())));
-        if (modDate != null) this.mem.put(MOD_DATE, UTF8.getBytes(Long.toString(modDate.getTime())));
+        if (loadedDate != null) this.mem.put(LOADED_DATE, ASCII.getBytes(Long.toString(loadedDate.getTime())));
+        if (modDate != null) this.mem.put(MOD_DATE, ASCII.getBytes(Long.toString(modDate.getTime())));
         if (eTag != null) this.mem.put(ETAG, UTF8.getBytes(eTag));
         if (sitemap != null) this.mem.put(SITEMAP, UTF8.getBytes(sitemap));
-        if (crawlDelayMillis > 0) this.mem.put(CRAWL_DELAY_MILLIS, UTF8.getBytes(Long.toString(crawlDelayMillis)));
+        if (crawlDelayMillis > 0) this.mem.put(CRAWL_DELAY_MILLIS, ASCII.getBytes(Long.toString(crawlDelayMillis)));
         if (agentName != null) this.mem.put(AGENT_NAME, UTF8.getBytes(agentName));
 
         if (allowPathList != null && !allowPathList.isEmpty()) {
@@ -187,7 +187,7 @@ public class RobotsTxtEntry {
 
     protected void setLoadedDate(final Date newLoadedDate) {
         if (newLoadedDate != null) {
-            this.mem.put(LOADED_DATE, UTF8.getBytes(Long.toString(newLoadedDate.getTime())));
+            this.mem.put(LOADED_DATE, ASCII.getBytes(Long.toString(newLoadedDate.getTime())));
         }
     }
 
diff --git a/source/de/anomic/data/WorkTables.java b/source/de/anomic/data/WorkTables.java
index 167399efa..83eed31af 100644
--- a/source/de/anomic/data/WorkTables.java
+++ b/source/de/anomic/data/WorkTables.java
@@ -37,6 +37,7 @@ import java.util.Map;
 import java.util.TreeMap;
 
 import net.yacy.cora.date.GenericFormatter;
+import net.yacy.cora.document.ASCII;
 import net.yacy.cora.document.UTF8;
 import net.yacy.cora.protocol.http.HTTPClient;
 import net.yacy.cora.storage.HandleSet;
@@ -189,7 +190,7 @@ public class WorkTables extends Tables {
 
             // insert APICALL attributes
             data.put(TABLE_API_COL_APICALL_COUNT, UTF8.getBytes("1"));
-            data.put(TABLE_API_COL_APICALL_SCHEDULE_TIME, UTF8.getBytes(Integer.toString(time)));
+            data.put(TABLE_API_COL_APICALL_SCHEDULE_TIME, ASCII.getBytes(Integer.toString(time)));
             data.put(TABLE_API_COL_APICALL_SCHEDULE_UNIT, UTF8.getBytes(unit));
             calculateAPIScheduler(data, false); // set next execution time
             pk = super.insert(TABLE_API_NAME, data);
diff --git a/source/net/yacy/kelondro/blob/Tables.java b/source/net/yacy/kelondro/blob/Tables.java
index 5ea0f9755..66f24d8c8 100644
--- a/source/net/yacy/kelondro/blob/Tables.java
+++ b/source/net/yacy/kelondro/blob/Tables.java
@@ -42,6 +42,7 @@ import java.util.concurrent.ConcurrentHashMap;
 import java.util.regex.Pattern;
 
 import net.yacy.cora.date.GenericFormatter;
+import net.yacy.cora.document.ASCII;
 import net.yacy.cora.document.UTF8;
 import net.yacy.cora.util.SpaceExceededException;
 import net.yacy.kelondro.logging.Log;
@@ -434,11 +435,11 @@ public class Tables implements Iterable<String> {
         }
 
         public void put(final String colname, final int value) {
-            super.put(colname, UTF8.getBytes(Integer.toString(value)));
+            super.put(colname, ASCII.getBytes(Integer.toString(value)));
         }
 
         public void put(final String colname, final long value) {
-            super.put(colname, UTF8.getBytes(Long.toString(value)));
+            super.put(colname, ASCII.getBytes(Long.toString(value)));
         }
 
         public void put(final String colname, final Date value) {
diff --git a/source/net/yacy/kelondro/util/BDecoder.java b/source/net/yacy/kelondro/util/BDecoder.java
index dbeb8e2d8..c68cfb7f2 100644
--- a/source/net/yacy/kelondro/util/BDecoder.java
+++ b/source/net/yacy/kelondro/util/BDecoder.java
@@ -36,6 +36,7 @@ import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
 
+import net.yacy.cora.document.ASCII;
 import net.yacy.cora.document.UTF8;
 
 public class BDecoder {
@@ -116,19 +117,20 @@ public class BDecoder {
             return UTF8.String(this.b);
         }
         public void toStream(OutputStream os) throws IOException {
-            os.write(UTF8.getBytes(Integer.toString(this.b.length)));
+            os.write(ASCII.getBytes(Integer.toString(this.b.length)));
             os.write(_p);
             os.write(this.b);
         }
         public static void toStream(OutputStream os, byte[] b) throws IOException {
-            os.write(UTF8.getBytes(Integer.toString(b.length)));
+            os.write(ASCII.getBytes(Integer.toString(b.length)));
             os.write(_p);
             os.write(b);
         }
         public static void toStream(OutputStream os, String s) throws IOException {
-            os.write(UTF8.getBytes(Integer.toString(s.length())));
+            final byte[] b = UTF8.getBytes(s);
+            os.write(ASCII.getBytes(Integer.toString(b.length)));
             os.write(_p);
-            os.write(UTF8.getBytes(s));
+            os.write(b);   
         }
     }
     
@@ -218,7 +220,7 @@ public class BDecoder {
         }
         public void toStream(OutputStream os) throws IOException {
             os.write(_i);
-            os.write(UTF8.getBytes(Long.toString(this.i)));
+            os.write(ASCII.getBytes(Long.toString(this.i)));
             os.write(_e);
         }
     }
@@ -260,7 +262,7 @@ public class BDecoder {
             int end = pos;
             end++;
             while (b[end] != ':') ++end;
-            final int len = Integer.parseInt(UTF8.String(b, pos, end - pos));
+            final int len = Integer.parseInt(ASCII.String(b, pos, end - pos));
             final byte[] s = new byte[len];
             System.arraycopy(b, end + 1, s, 0, len);
             pos = end + len + 1;