diff --git a/libDRCdec/src/drcGainDec_process.cpp b/libDRCdec/src/drcGainDec_process.cpp
index 70c9533..1894f47 100644
--- a/libDRCdec/src/drcGainDec_process.cpp
+++ b/libDRCdec/src/drcGainDec_process.cpp
@@ -308,6 +308,8 @@ processDrcTime(HANDLE_DRC_GAIN_DECODER hGainDec, const int activeDrcIndex,
               pLinearNodeBuffer[pActiveDrc->lnbIndexForChannel[c][lnbIx] + b]);
         else
           pLnbPrevious = pDummyLnb;
+        if (pLnbPrevious->nNodes[lnbIx] <= 0 || pLnbPrevious->nNodes[lnbIx] > 16)
+          return DE_NOT_OK;
         nodePrevious =
             pLnbPrevious->linearNode[lnbIx][pLnbPrevious->nNodes[lnbIx] - 1];
         nodePrevious.time -= hGainDec->frameSize;