diff --git a/searchtimer.c b/searchtimer.c
index 84d2ac5..507a7c6 100644
--- a/searchtimer.c
+++ b/searchtimer.c
@@ -17,9 +17,11 @@ cTVGuideSearchTimer::cTVGuideSearchTimer(void) {
     stopTime = 2359;
     useChannel = false;
 #if VDRVERSNUM >= 20301
+    {
     LOCK_CHANNELS_READ;
     channelMin = Channels->GetByNumber(cDevice::CurrentChannel());
     channelMax = Channels->GetByNumber(cDevice::CurrentChannel());
+    }
 #else
     channelMin = Channels.GetByNumber(cDevice::CurrentChannel());
     channelMax = Channels.GetByNumber(cDevice::CurrentChannel());