diff --git a/src/svnqt/cache/LogCache.cpp b/src/svnqt/cache/LogCache.cpp
index c57176c..d8400b9 100644
--- a/src/svnqt/cache/LogCache.cpp
+++ b/src/svnqt/cache/LogCache.cpp
@@ -187,7 +187,7 @@ public:
             TQDataBase db = TQSqlDatabase::addDatabase(SQLTYPE,_key);
             db->setDatabaseName(m_BasePath+"/maindb.db");
             if (!db->open()) {
-                tqWarning(TQString("Failed to open main database: " + db->lastError().text()).ascii());
+                tqWarning("%s", TQString("Failed to open main database: " + db->lastError().text()).ascii());
             } else {
                 m_mainDB.setLocalData(new ThreadDBStore);
                 m_mainDB.localData()->key = _key;
@@ -269,12 +269,12 @@ void LogCache::setupMainDb()
 #endif
     TQDataBase mainDB = m_CacheData->getMainDB();
     if (!mainDB || !mainDB->open()) {
-        tqWarning(TQString("Failed to open main database: " + (mainDB?mainDB->lastError().text():"No database object.")).ascii());
+        tqWarning("%s", TQString("Failed to open main database: " + (mainDB?mainDB->lastError().text():"No database object.")).ascii());
     } else {
         TQSqlQuery q(TQString(), mainDB);
         mainDB->transaction();
         if (!q.exec("CREATE TABLE IF NOT EXISTS \""+TQString(SQLMAINTABLE)+"\" (\"reposroot\" TEXT,\"id\" INTEGER PRIMARY KEY NOT NULL);")) {
-            tqWarning(TQString("Failed create main database: " + mainDB->lastError().text()).ascii());
+            tqWarning("%s", TQString("Failed create main database: " + mainDB->lastError().text()).ascii());
         }
         mainDB->commit();
     }
@@ -321,7 +321,7 @@ TQStringList svn::cache::LogCache::cachedRepositories()const
     TQSqlQuery cur(TQString(),mainDB);
     cur.prepare(s_q);
     if (!cur.exec()) {
-        tqDebug(cur.lastError().text().TOUTF8().data());
+        tqDebug("%s", TQString(cur.lastError().text().TOUTF8().data()).ascii());
         throw svn::cache::DatabaseException(TQString("Could not retrieve values: ")+cur.lastError().text());
         return _res;
     }
diff --git a/src/svnqt/cache/ReposLog.cpp b/src/svnqt/cache/ReposLog.cpp
index 0d79a15..19c501e 100644
--- a/src/svnqt/cache/ReposLog.cpp
+++ b/src/svnqt/cache/ReposLog.cpp
@@ -68,7 +68,7 @@ svn::Revision svn::cache::ReposLog::latestCachedRev()
     TQString q("select revision from 'logentries' order by revision DESC limit 1");
     TQSqlQuery _q(TQString(), m_Database);
     if (!_q.exec(q)) {
-        tqDebug(_q.lastError().text().TOUTF8().data());
+        tqDebug("%s", TQString(_q.lastError().text().TOUTF8().data()).ascii());
         return svn::Revision::UNDEFINED;
     }
     int _r;
@@ -76,7 +76,7 @@ svn::Revision svn::cache::ReposLog::latestCachedRev()
         //tqDebug("Sel result: %s",_q.value(0).toString().TOUTF8().data());
         _r = _q.value(0).toInt();
     } else {
-        tqDebug(_q.lastError().text().TOUTF8().data());
+        tqDebug("%s", TQString(_q.lastError().text().TOUTF8().data()).ascii());
         return svn::Revision::UNDEFINED;
     }
     return _r;
@@ -197,7 +197,7 @@ bool svn::cache::ReposLog::simpleLog(LogEntriesMap&target,const svn::Revision&_s
     bcount.bindValue(0,TQ_LLONG(end.revnum()));
     bcount.bindValue(1,TQ_LLONG(start.revnum()));
     if (!bcount.exec()) {
-        tqDebug(bcount.lastError().text().TOUTF8().data());
+        tqDebug("%s", TQString(bcount.lastError().text().TOUTF8().data()).ascii());
         throw svn::cache::DatabaseException(TQString("Could not retrieve count: ")+bcount.lastError().text());
         return false;
     }
@@ -211,7 +211,7 @@ bool svn::cache::ReposLog::simpleLog(LogEntriesMap&target,const svn::Revision&_s
     bcur.bindValue(1,TQ_LLONG(start.revnum()));
 
     if (!bcur.exec()) {
-        tqDebug(bcur.lastError().text().TOUTF8().data());
+        tqDebug("%s", TQString(bcur.lastError().text().TOUTF8().data()).ascii());
         throw svn::cache::DatabaseException(TQString("Could not retrieve values: ")+bcur.lastError().text());
         return false;
     }
@@ -220,7 +220,7 @@ bool svn::cache::ReposLog::simpleLog(LogEntriesMap&target,const svn::Revision&_s
         revision = bcur.value(0).toLongLong();
         cur.bindValue(0,revision);
         if (!cur.exec()) {
-            tqDebug(cur.lastError().text().TOUTF8().data());
+            tqDebug("%s", TQString(cur.lastError().text().TOUTF8().data()).ascii());
             throw svn::cache::DatabaseException(TQString("Could not retrieve values: ")+cur.lastError().text()
                     ,cur.lastError().number());
             return false;
@@ -264,7 +264,7 @@ svn::Revision svn::cache::ReposLog::date2numberRev(const svn::Revision&aRev,bool
     TQSqlQuery query("select revision,date from logentries order by revision desc limit 1",m_Database);
 
     if (query.lastError().type()!=TQSqlError::None) {
-        tqDebug(query.lastError().text().TOUTF8().data());
+        tqDebug("%s", TQString(query.lastError().text().TOUTF8().data()).ascii());
     }
     bool must_remote=!noNetwork;
     if (query.next()) {
@@ -283,7 +283,7 @@ svn::Revision svn::cache::ReposLog::date2numberRev(const svn::Revision&aRev,bool
     query.bindValue(0,TQ_LLONG(aRev.date()));
     query.exec();
     if (query.lastError().type()!=TQSqlError::None) {
-        tqDebug(query.lastError().text().TOUTF8().data());
+        tqDebug("%s", TQString(query.lastError().text().TOUTF8().data()).ascii());
     }
     if (query.next()) {
         return query.value(0).toInt();
@@ -320,7 +320,7 @@ bool svn::cache::ReposLog::_insertLogEntry(const svn::LogEntry&aEntry)
     if (!_q.exec()) {
         m_Database->rollback();
         tqDebug("Could not insert values: %s",_q.lastError().text().TOUTF8().data());
-        tqDebug(_q.lastQuery().TOUTF8().data());
+        tqDebug("%s", TQString(_q.lastQuery().TOUTF8().data()).ascii());
         throw svn::cache::DatabaseException(TQString("Could not insert values: ")+_q.lastError().text(),_q.lastError().number());
     }
     _q.prepare(qPathes);
@@ -334,7 +334,7 @@ bool svn::cache::ReposLog::_insertLogEntry(const svn::LogEntry&aEntry)
         if (!_q.exec()) {
             m_Database->rollback();
             tqDebug("Could not insert values: %s",_q.lastError().text().TOUTF8().data());
-            tqDebug(_q.lastQuery().TOUTF8().data());
+            tqDebug("%s", TQString(_q.lastQuery().TOUTF8().data()).ascii());
             throw svn::cache::DatabaseException(TQString("Could not insert values: ")+_q.lastError().text(),_q.lastError().number());
         }
     }
@@ -375,7 +375,7 @@ bool svn::cache::ReposLog::log(const svn::Path&what,const svn::Revision&_start,
     _q.prepare(query_string);
     if (!_q.exec()) {
         tqDebug("Could not select values: %s",_q.lastError().text().TOUTF8().data());
-        tqDebug(_q.lastQuery().TOUTF8().data());
+        tqDebug("%s", TQString(_q.lastQuery().TOUTF8().data()).ascii());
         throw svn::cache::DatabaseException(TQString("Could not select values: ")+_q.lastError().text(),_q.lastError().number());
     }
     while(_q.next()) {