diff --git a/defaults/yacy.init b/defaults/yacy.init
index 7e0bf4319..5a71518d1 100644
--- a/defaults/yacy.init
+++ b/defaults/yacy.init
@@ -906,6 +906,7 @@ content.phpbb3.dbtype = mysql
 content.phpbb3.dbhost = localhost
 content.phpbb3.dbport = 3306
 content.phpbb3.dbname = forum
+content.phpbb3.tableprefix = phpbb_
 content.phpbb3.dbuser = notroot
 content.phpbb3.dbpw = joshua
 content.phpbb3.ppf = 1000
diff --git a/htroot/ContentIntegrationPHPBB3_p.html b/htroot/ContentIntegrationPHPBB3_p.html
index be9a3eab3..d49992b70 100644
--- a/htroot/ContentIntegrationPHPBB3_p.html
+++ b/htroot/ContentIntegrationPHPBB3_p.html
@@ -36,6 +36,9 @@
           <dt><b>Name of the database</b> on the host</dt>
           <dd><input type="text" name="content.phpbb3.dbname" value="#[content.phpbb3.dbname]#" size="20" /></dd>
           
+          <dt><b>Table prefix string</b> for table names</dt>
+          <dd><input type="text" name="content.phpbb3.tableprefix" value="#[content.phpbb3.tableprefix]#" size="20" /></dd>
+          
           <dt><b>User</b> that can access the database</dt>
           <dd><input type="text" name="content.phpbb3.dbuser" value="#[content.phpbb3.dbuser]#" size="20" /></dd>
           
diff --git a/htroot/ContentIntegrationPHPBB3_p.java b/htroot/ContentIntegrationPHPBB3_p.java
index 1bbfe5ea3..c17f941d6 100644
--- a/htroot/ContentIntegrationPHPBB3_p.java
+++ b/htroot/ContentIntegrationPHPBB3_p.java
@@ -46,6 +46,7 @@ public class ContentIntegrationPHPBB3_p {
             String dbhost = post.get("content.phpbb3.dbhost", "");
             int    dbport = post.getInt("content.phpbb3.dbport", 3306);
             String dbname = post.get("content.phpbb3.dbname", "");
+            String prefix = post.get("content.phpbb3.tableprefix", "");
             String dbuser = post.get("content.phpbb3.dbuser", "");
             String dbpw = post.get("content.phpbb3.dbpw", "");
             int    ppf = post.getInt("content.phpbb3.ppf", 1000);
@@ -56,6 +57,7 @@ public class ContentIntegrationPHPBB3_p {
             sb.setConfig("content.phpbb3.dbhost", dbhost);
             sb.setConfig("content.phpbb3.dbport", dbport);
             sb.setConfig("content.phpbb3.dbname", dbname);
+            sb.setConfig("content.phpbb3.tableprefix", prefix);
             sb.setConfig("content.phpbb3.dbuser", dbuser);
             sb.setConfig("content.phpbb3.dbpw", dbpw);
             sb.setConfig("content.phpbb3.ppf", ppf);
@@ -68,6 +70,7 @@ public class ContentIntegrationPHPBB3_p {
                                             dbhost,
                                             dbport,
                                             dbname,
+                                            prefix,
                                             dbuser,
                                             dbpw
                                             );
@@ -92,6 +95,7 @@ public class ContentIntegrationPHPBB3_p {
                                             dbhost,
                                             dbport,
                                             dbname,
+                                            prefix,
                                             dbuser,
                                             dbpw
                                             );
@@ -114,6 +118,7 @@ public class ContentIntegrationPHPBB3_p {
         prop.putHTML("content.phpbb3.dbhost", sb.getConfig("content.phpbb3.dbhost", ""));
         prop.putHTML("content.phpbb3.dbport", sb.getConfig("content.phpbb3.dbport", ""));
         prop.putHTML("content.phpbb3.dbname", sb.getConfig("content.phpbb3.dbname", ""));
+        prop.putHTML("content.phpbb3.tableprefix", sb.getConfig("content.phpbb3.tableprefix", ""));
         prop.putHTML("content.phpbb3.dbuser", sb.getConfig("content.phpbb3.dbuser", ""));
         prop.putHTML("content.phpbb3.dbpw", sb.getConfig("content.phpbb3.dbpw", ""));
         prop.putHTML("content.phpbb3.ppf", sb.getConfig("content.phpbb3.ppf", ""));
diff --git a/source/de/anomic/content/dao/PhpBB3Dao.java b/source/de/anomic/content/dao/PhpBB3Dao.java
index 771c51457..593a2798e 100644
--- a/source/de/anomic/content/dao/PhpBB3Dao.java
+++ b/source/de/anomic/content/dao/PhpBB3Dao.java
@@ -47,7 +47,7 @@ import de.anomic.yacy.yacyURL;
 public class PhpBB3Dao implements Dao {
 
     private Connection conn = null;
-    private String urlstub;
+    private String urlstub, prefix;
     private HashMap<Integer, String> users;
 
     public PhpBB3Dao(
@@ -56,10 +56,12 @@ public class PhpBB3Dao implements Dao {
             String host,
             int port,
             String dbname,
+            String prefix,
             String user,
             String pw) throws Exception  {
         this.conn = getConnection(dbType, host, port, dbname, user, pw);
         this.urlstub = urlstub;
+        this.prefix = prefix;
         this.users = new HashMap<Integer, String>();
     }
     
@@ -103,7 +105,7 @@ public class PhpBB3Dao implements Dao {
     
     public Date first() {
         StringBuilder sql = new StringBuilder(256);
-        sql.append("select min(post_time) from phpbb_posts");
+        sql.append("select min(post_time) from " + prefix + "posts");
         Statement stmt = null;
         ResultSet rs = null;
         try {
@@ -124,7 +126,7 @@ public class PhpBB3Dao implements Dao {
 
     public Date latest() {
         StringBuilder sql = new StringBuilder(256);
-        sql.append("select max(post_time) from phpbb_posts");
+        sql.append("select max(post_time) from " + prefix + "posts");
         Statement stmt = null;
         ResultSet rs = null;
         try {
@@ -148,7 +150,7 @@ public class PhpBB3Dao implements Dao {
         ResultSet rs = null;
         try {
             stmt = conn.createStatement();
-            rs = stmt.executeQuery("select count(*) from phpbb_posts");
+            rs = stmt.executeQuery("select count(*) from " + prefix + "posts");
             if (rs.next()) {
                 return rs.getInt(1);
             }
@@ -164,7 +166,7 @@ public class PhpBB3Dao implements Dao {
 
     public DCEntry get(int item) {
         StringBuilder sql = new StringBuilder(256);
-        sql.append("select * from phpbb_posts where post_id = ");
+        sql.append("select * from " + prefix + "posts where post_id = ");
         sql.append(item);
         return getOne(sql);
     }
@@ -172,7 +174,7 @@ public class PhpBB3Dao implements Dao {
     public BlockingQueue<DCEntry> query(int from, int until, int queueSize) {
         // define the sql query
         final StringBuilder sql = new StringBuilder(256);
-        sql.append("select * from phpbb_posts where post_id >= ");
+        sql.append("select * from " + prefix + "posts where post_id >= ");
         sql.append(from);
         if (until > from) {
             sql.append(" and post_id < ");
@@ -187,7 +189,7 @@ public class PhpBB3Dao implements Dao {
     public BlockingQueue<DCEntry> query(Date from, int queueSize) {
      // define the sql query
         final StringBuilder sql = new StringBuilder(256);
-        sql.append("select * from phpbb_posts where post_time >= ");
+        sql.append("select * from " + prefix + "posts where post_time >= ");
         sql.append(from.getTime() / 1000);
         sql.append(" order by post_id");
 
@@ -286,7 +288,7 @@ public class PhpBB3Dao implements Dao {
         if (nick != null) return nick;
         
         StringBuilder sql = new StringBuilder(256);
-        sql.append("select * from phpbb_users where user_id = ");
+        sql.append("select * from " + prefix + "users where user_id = ");
         sql.append(poster_id);
         Statement stmt = null;
         ResultSet rs = null;
@@ -375,6 +377,7 @@ public class PhpBB3Dao implements Dao {
                 "localhost",
                 3306,
                 "forum",
+                "forum_",
                 "root",
                 ""
                 );