diff --git a/lib_dec/core_switching_dec_fx.c b/lib_dec/core_switching_dec_fx.c
index 2eab8f473a48006755fe8567e3b7485fb0497e7c..db9c3b661c39099f815d003dd60e250ab99c2f44 100644
--- a/lib_dec/core_switching_dec_fx.c
+++ b/lib_dec/core_switching_dec_fx.c
@@ -1975,18 +1975,33 @@ ivas_error core_switching_pre_dec_fx(
                     }
                     ELSE
                     {
+#ifdef FIX_BASOP_2262_OLAP_BUFFER_SYNTH_SWITCHING
+                        Word16 hdrm = Q16;
+                        move16();
+#endif
                         FOR( i = 0; i < shl( st->L_frame, 1 ); i++ )
                         {
 #ifdef FIX_BASOP_2262_OLAP_BUFFER_SYNTH_SWITCHING
                             st->hFdCngDec->hFdCngCom->olapBufferSynth[i] = mult_r( st->hFdCngDec->hFdCngCom->olapBufferSynth[i], 26214 /* Q14*/ ); /* (Q15 - olapBufferSynth_exp) + 1 */
                             move16();
+                            if ( st->hFdCngDec->hFdCngCom->olapBufferSynth[i] != 0 )
+                            {
+                                hdrm = s_min( hdrm, norm_s( st->hFdCngDec->hFdCngCom->olapBufferSynth[i] ) );
+                            }
 #else
                             st->hFdCngDec->hFdCngCom->olapBufferSynth_fx[i] = Mult_32_16( L_shl( st->hFdCngDec->hFdCngCom->olapBufferSynth_fx[i], 1 ), (Word16) 26214 /* 1.6f in Q14 */ );
                             move32();
 #endif
                         }
 #ifdef FIX_BASOP_2262_OLAP_BUFFER_SYNTH_SWITCHING
-                        st->hFdCngDec->hFdCngCom->olapBufferSynth_exp = add( st->hFdCngDec->hFdCngCom->olapBufferSynth_exp, 1 );
+                        IF( NE_16( hdrm, 0 ) )
+                        {
+                            scale_sig( st->hFdCngDec->hFdCngCom->olapBufferSynth, shl( st->L_frame, 1 ), Q1 );
+                        }
+                        ELSE
+                        {
+                            st->hFdCngDec->hFdCngCom->olapBufferSynth_exp = add( st->hFdCngDec->hFdCngCom->olapBufferSynth_exp, 1 );
+                        }
 #endif
                     }
                 }