diff --git a/src/gui/timerlist.cpp b/src/gui/timerlist.cpp
index c1e9b6f14..7c3b9506e 100644
--- a/src/gui/timerlist.cpp
+++ b/src/gui/timerlist.cpp
@@ -1685,7 +1685,7 @@ int CTimerList::modifyTimer()
 		if (!strlen(timer->recordingDir))
 			strncpy(timer->recordingDir, g_settings.network_nfs_recordingdir.c_str(), sizeof(timer->recordingDir) - 1);
 		timer_recordingDir = timer->recordingDir;
-		strncpy(t_old.recordingDir, timer->recordingDir, sizeof(t_old.recordingDir));
+		strncpy(t_old.recordingDir, timer->recordingDir, sizeof(t_old.recordingDir) - 1);
 
 		bool recDirEnabled = (g_settings.recording_type == CNeutrinoApp::RECORDING_FILE);
 		CMenuForwarder *m6 = new CMenuForwarder(LOCALE_TIMERLIST_RECORDING_DIR, recDirEnabled, timer_recordingDir, this, "rec_dir1", CRCInput::RC_green);