diff --git a/lib_com/options.h b/lib_com/options.h
index 7785bb805921682baef039fb9fec7fdb64c79575..0cf958d03f0ea1e00be423e92f82dd91da395295 100644
--- a/lib_com/options.h
+++ b/lib_com/options.h
@@ -123,4 +123,5 @@
 #define FIX_ISSUE_1795_Q3_OVERFLOW              /* FhG: Q3 overflow in function WB_BWE_gain_pred_fx (EVS legacy code) BE, MR1855 */
 #define NONBE_FIX_1748_SPAR_DIV_OPT                      /*Dlb: issue 1748: SPAR common div optimizations*/
 
+#define FIX_ISSUE_1801_NOISE_FLOOR_REDUCTION    /* FhG: Fixed getScalefactor usage */
 #endif
diff --git a/lib_dec/ivas_mct_dec_fx.c b/lib_dec/ivas_mct_dec_fx.c
index ccc515b0377f7100c22b443db52f27f89cf5db75..c08cec4ce13716d12c195c344ae90f796e89ddcb 100644
--- a/lib_dec/ivas_mct_dec_fx.c
+++ b/lib_dec/ivas_mct_dec_fx.c
@@ -375,22 +375,37 @@ ivas_error ivas_mct_dec_fx(
         Copy_Scale_sig_16_32_no_sat( hCPE->hCoreCoder[0]->old_Aq_12_8_fx, hCPE->hCoreCoder[0]->old_Aq_12_8_fx_32, add( M, 1 ), sub( 28, sub( 15, norm_s( sub( hCPE->hCoreCoder[0]->old_Aq_12_8_fx[0], 1 ) ) ) ) );
         Copy_Scale_sig_16_32_no_sat( hCPE->hCoreCoder[1]->old_Aq_12_8_fx, hCPE->hCoreCoder[1]->old_Aq_12_8_fx_32, add( M, 1 ), sub( 28, sub( 15, norm_s( sub( hCPE->hCoreCoder[1]->old_Aq_12_8_fx[0], 1 ) ) ) ) );
         ivas_mdct_core_reconstruct_fx( hCPE, x_fx, synth_fx, fUseTns[cpe_id], 1, q_output, e_sig );
-
+#ifdef FIX_ISSUE_1801_NOISE_FLOOR_REDUCTION
+        Word16 hdrm;
+#else
         Word16 hdrm, sh;
+#endif
         hdrm = getScaleFactor16( synth_fx[0], hCPE->hCoreCoder[0]->hTcxDec->L_frameTCX );
         IF( hdrm != 0 )
         {
+#ifdef FIX_ISSUE_1801_NOISE_FLOOR_REDUCTION
+            hdrm = sub( hdrm, 1 );
+            Scale_sig( synth_fx[0], hCPE->hCoreCoder[0]->hTcxDec->L_frameTCX, hdrm );
+            e_sig[0] = sub( e_sig[0], hdrm );
+#else
             sh = s_min( sub( e_sig[0], 16 ), hdrm );
             Scale_sig( synth_fx[0], hCPE->hCoreCoder[0]->hTcxDec->L_frameTCX, sh );
             e_sig[0] = sub( e_sig[0], sh );
+#endif
             move16();
         }
         hdrm = getScaleFactor16( synth_fx[1], hCPE->hCoreCoder[0]->hTcxDec->L_frameTCX );
         IF( hdrm != 0 )
         {
+#ifdef FIX_ISSUE_1801_NOISE_FLOOR_REDUCTION
+            hdrm = sub( hdrm, 1 );
+            Scale_sig( synth_fx[1], hCPE->hCoreCoder[1]->hTcxDec->L_frameTCX, hdrm );
+            e_sig[1] = sub( e_sig[1], hdrm );
+#else
             sh = s_min( sub( e_sig[1], 16 ), hdrm );
             Scale_sig( synth_fx[1], hCPE->hCoreCoder[1]->hTcxDec->L_frameTCX, sh );
             e_sig[1] = sub( e_sig[1], sh );
+#endif
             move16();
         }