diff --git a/lib_rend/ivas_dirac_dec_binaural_functions.c b/lib_rend/ivas_dirac_dec_binaural_functions.c
index 08ed2c26e31f93b27b74451f7bbe558b3a3cb394..af484f02e4b6159e7c8d2a043360ee190e8fc112 100644
--- a/lib_rend/ivas_dirac_dec_binaural_functions.c
+++ b/lib_rend/ivas_dirac_dec_binaural_functions.c
@@ -4178,7 +4178,7 @@ static void adaptTransportSignalsHeadtracked_fx(
     Word16 band_idx, bin_lo, bin_hi, norm, shift = 31;
     Word16 q_chEneIIR = 0, q_procChEneIIR = 0;
     Word32 temp_div;
-    Word16 e_div;
+    Word16 e_div, tmp;
     move16();
     move16();
     move16();
@@ -4409,10 +4409,16 @@ static void adaptTransportSignalsHeadtracked_fx(
         }
     }
 
-
-    hHeadTrackData->q_chEneIIR = q_chEneIIR;
-    hHeadTrackData->q_procChEneIIR = q_procChEneIIR;
+    tmp = sub( s_min( getScaleFactor32( hHeadTrackData->chEneIIR_fx[0], MASA_FREQUENCY_BANDS ), getScaleFactor32( hHeadTrackData->chEneIIR_fx[1], MASA_FREQUENCY_BANDS ) ), 1 );
+    scale_sig32( hHeadTrackData->chEneIIR_fx[0], MASA_FREQUENCY_BANDS, tmp );
+    scale_sig32( hHeadTrackData->chEneIIR_fx[1], MASA_FREQUENCY_BANDS, tmp );
+    hHeadTrackData->q_chEneIIR = add( q_chEneIIR, tmp );
     move16();
+
+    tmp = sub( s_min( getScaleFactor32( hHeadTrackData->procChEneIIR_fx[0], MASA_FREQUENCY_BANDS ), getScaleFactor32( hHeadTrackData->procChEneIIR_fx[1], MASA_FREQUENCY_BANDS ) ), 1 );
+    scale_sig32( hHeadTrackData->procChEneIIR_fx[0], MASA_FREQUENCY_BANDS, tmp );
+    scale_sig32( hHeadTrackData->procChEneIIR_fx[1], MASA_FREQUENCY_BANDS, tmp );
+    hHeadTrackData->q_procChEneIIR = add( q_procChEneIIR, tmp );
     move16();
     return;
 }