diff --git a/lib_rend/lib_rend_fx.c b/lib_rend/lib_rend_fx.c
index 299fe9b2ec5ffa6ad84d3e15ee15db337197d864..4c245e43f4da25f60b7c29fd91df27dc617a3a2e 100644
--- a/lib_rend/lib_rend_fx.c
+++ b/lib_rend/lib_rend_fx.c
@@ -1829,6 +1829,7 @@ static ivas_error setRendInputActiveIsm(
 
     FOR( i = 0; i < MAX_HEAD_ROT_POSES - 1; ++i )
     {
+        inputIsm->splitTdRendWrappers[i] = defaultTdRendWrapper();
         inputIsm->splitTdRendWrappers[i].hHrtfTD = &hrtfs->hHrtfTD;
     }
 
@@ -3141,6 +3142,7 @@ static ivas_error setRendInputActiveMc(
     test();
     FOR( i = 0; i < MAX_HEAD_ROT_POSES - 1; ++i )
     {
+        inputMc->splitTdRendWrappers[i] = defaultTdRendWrapper();
         if ( hrtfs->hHrtfTD )
         {
             inputMc->splitTdRendWrappers[i].binaural_latency_ns = L_shr_r( Mpy_32_32_r( hrtfs->hHrtfTD->latency_s_fx, 1000000000 ), hrtfs->hHrtfTD->latency_s_Q_fx );