diff --git a/config.c b/config.c
index 4110bd3..4807e32 100644
--- a/config.c
+++ b/config.c
@@ -18,7 +18,12 @@ void cTVScraperConfig::AddChannel(string channelID) {
 }
 
 bool cTVScraperConfig::ChannelActive(int channelNum) {
+#if APIVERSNUM < 20301
     cChannel *channel = Channels.GetByNumber(channelNum);
+#else
+    LOCK_CHANNELS_READ;
+    const cChannel *channel = Channels->GetByNumber(channelNum);
+#endif
     if (channel) {
         string channelID = "";
         channelID = *(channel->GetChannelID().ToString());
diff --git a/setup.c b/setup.c
index c304342..a7f11e1 100644
--- a/setup.c
+++ b/setup.c
@@ -6,7 +6,12 @@ using namespace std;
 
 cTVScraperSetup::cTVScraperSetup(cTVScraperWorker *workerThread) {
     worker = workerThread;
+#if APIVERSNUM < 20301
     int numChannels = Channels.Count();
+#else
+    LOCK_CHANNELS_READ;
+    int numChannels = Channels->Count();
+#endif
     for (int i=0; i<numChannels; i++) {
         int akt = 0;
         if (config.ChannelActive(i+1))
@@ -60,7 +65,12 @@ void cTVScraperSetup::Store(void) {
     int numChannels = channelsScrap.size();
     for (int i=0; i<numChannels; i++) {
         if (channelsScrap[i] == 1) {
+#if APIVERSNUM < 20301
             cChannel *channel = Channels.GetByNumber(i+1);
+#else
+            LOCK_CHANNELS_READ;
+            const cChannel *channel = Channels->GetByNumber(i+1);
+#endif
             if (channel) {
                 string channelID = *(channel->GetChannelID().ToString());
                 channelsToScrap << channelID << ";";
@@ -89,7 +99,12 @@ void cTVScraperChannelSetup ::Setup(void) {
     int currentItem = Current();
     Clear();
     int i=0;
+#if APIVERSNUM < 20301
     for (cChannel *channel = Channels.First(); channel; channel = Channels.Next(channel)) {
+#else
+    LOCK_CHANNELS_READ;
+    for (const cChannel *channel = Channels->First(); channel; channel = Channels->Next(channel)) {
+#endif
         if (!channel->GroupSep()) {
             Add(new cMenuEditBoolItem(channel->Name(), &channelsScrap->at(i), tr("don't scrap"), tr("scrap")));
             i++;
@@ -108,4 +123,4 @@ eOSState cTVScraperChannelSetup ::ProcessKey(eKeys Key) {
             break;
     }
     return state;
-}
\ No newline at end of file
+}
diff --git a/worker.c b/worker.c
index 87203fa..41f9638 100644
--- a/worker.c
+++ b/worker.c
@@ -130,13 +130,23 @@ void cTVScraperWorker::ScrapEPG(void) {
     int numChannels = channels.size();
     for (int i=0; i<numChannels; i++) {
         string channelID = channels[i];
+#if APIVERSNUM < 20301
         const cChannel *channel = Channels.GetByChannelID(tChannelID::FromString(channelID.c_str()));
+#else
+        LOCK_CHANNELS_READ;
+        const cChannel *channel = Channels->GetByChannelID(tChannelID::FromString(channelID.c_str()));
+#endif
         if (!channel)
             continue;
         dsyslog("tvscraper: scraping Channel %s %s", channel->Name(), channelID.c_str());
+#if APIVERSNUM < 20301
         cSchedulesLock schedulesLock;
         const cSchedules *schedules = cSchedules::Schedules(schedulesLock);
         const cSchedule *Schedule = schedules->GetSchedule(channel);
+#else
+        LOCK_SCHEDULES_READ;
+        const cSchedule *Schedule = Schedules->GetSchedule(channel);
+#endif
         if (Schedule) {
             const cEvent *event = NULL;
             for (event = Schedule->Events()->First(); event; event =  Schedule->Events()->Next(event)) {
@@ -160,7 +170,12 @@ void cTVScraperWorker::ScrapEPG(void) {
 
 void cTVScraperWorker::ScrapRecordings(void) {
     db->ClearRecordings();
+#if APIVERSNUM < 20301
     for (cRecording *rec = Recordings.First(); rec; rec = Recordings.Next(rec)) {
+#else
+    LOCK_RECORDINGS_READ;
+    for (const cRecording *rec = Recordings->First(); rec; rec = Recordings->Next(rec)) {
+#endif
         if (overrides->IgnorePath(rec->FileName()))
             continue;
         const cRecordingInfo *recInfo = rec->Info();
@@ -188,7 +203,12 @@ void cTVScraperWorker::ScrapRecordings(void) {
 }
 
 void cTVScraperWorker::CheckRunningTimers(void) {
+#if APIVERSNUM < 20301
     for (cTimer *timer = Timers.First(); timer; timer = Timers.Next(timer)) {
+#else
+    LOCK_TIMERS_READ;
+    for (const cTimer *timer = Timers->First(); timer; timer = Timers->Next(timer)) {
+#endif
         if (timer->Recording()) {
             const cEvent *event = timer->Event();
             if (!event)