diff --git a/lib_enc/igf_enc.c b/lib_enc/igf_enc.c
index a85843be27dac07f820dcf4cc1d44e6bf514e36e..e23417e70f18e146d3987be067006ce59827d167 100644
--- a/lib_enc/igf_enc.c
+++ b/lib_enc/igf_enc.c
@@ -2666,9 +2666,10 @@ void IGFEncApplyMono_ivas_fx(
 
         FOR( Word16 i = 0; i < N_MAX + L_MDCT_OVLP_MAX; i++ )
         {
-            common_pPowerSpectrum_fx[i] = L_shl( common_pPowerSpectrum_fx[i], sub( pPowerSpectrumParameter_exp[i], common_pPowerSpectrum_exp ) );
+            common_pPowerSpectrum_fx[i] = L_shl( pPowerSpectrumParameter_fx[i], sub( pPowerSpectrumParameter_exp[i], common_pPowerSpectrum_exp ) );
             move16();
         }
+        pPowerSpectrumParameter_fx = common_pPowerSpectrum_fx;
     }
     IGF_ErodeSpectrum_ivas_fx( &highPassEner_exp, st->hIGFEnc, pMDCTSpectrum_fx, pPowerSpectrumParameter_fx, common_pPowerSpectrum_exp, igfGridIdx, 0 );
 }