diff --git a/lib_com/options.h b/lib_com/options.h
index 3077f91f2c6162774a99c63c5dd2e2b61de98fca..7e581b677c0e1a1fb8d38a4e62da7d6605b2abbd 100644
--- a/lib_com/options.h
+++ b/lib_com/options.h
@@ -98,6 +98,7 @@
 #define FIX_BASOP_2509_EVS_CONCEAL_UNINIT_MEM           /* FhG: BASOP 2509: st->hTcxCfg->psychParamsCurrent is not initialized */
 #define HARMONIZE_2499_CONFIGUREFDCNGDEC                /* FhG: basop issue 2499: harmonoize configureFdCngDec */
 #define FIX_BASOP_2530_IVAS_DECISION_MAT                /* VA: Fix ambiguous usage of extract_l() */
+#define FIX_BASOP_2532_cx_e                             /* FhG: Fix issue 2532 about additional exponent variable*/
 
 
 /* #################### End BE switches ################################## */
diff --git a/lib_dec/ivas_mc_param_dec_fx.c b/lib_dec/ivas_mc_param_dec_fx.c
index a11feddf170f335f8c9a59fa493e29e3cd9d6739..2ea6e2518788a6dfe29af30d2a489bc6d2864d94 100644
--- a/lib_dec/ivas_mc_param_dec_fx.c
+++ b/lib_dec/ivas_mc_param_dec_fx.c
@@ -1801,6 +1801,10 @@ void ivas_param_mc_dec_prepare_renderer(
             }
         }
         cx_e = max_e;
+#ifdef FIX_BASOP_2532_cx_e
+        cx_next_band_e = max_e;
+        move16();
+#endif
         move16();
 
         /* we have to do it similar to the encoder in case of attacks (i.e. accumulate two bands) to ensure correct DMX of the target covariance*/
@@ -1815,7 +1819,11 @@ void ivas_param_mc_dec_prepare_renderer(
                 Scale_sig32( cx_fx, len, -Q1 );           // add one bit head room
                 Scale_sig32( cx_next_band_fx, len, -Q1 ); // add one bit head room
                 cx_e = add( cx_e, Q1 );
+#ifndef FIX_BASOP_2532_cx_e
                 cx_next_band_e = add( cx_e, Q1 );
+#else
+                cx_next_band_e = add( cx_next_band_e, Q1 );
+#endif // !FIX_BASOP_2532_cx_e
             }
             v_add_fx( cx_fx, cx_next_band_fx, cx_fx, len );
             Copy32( cx_fx, cx_next_band_fx, len );
@@ -1834,7 +1842,11 @@ void ivas_param_mc_dec_prepare_renderer(
                 IF( is_next_band )
                 {
 
+#ifndef FIX_BASOP_2532_cx_e
+                    ivas_param_mc_get_mixing_matrices_fx( hParamMC, hSynthesisOutputSetup, cx_next_band_fx, cx_next_band_e, add( param_band_idx, is_next_band ), hParamMC->h_output_synthesis_cov_state.mixing_matrix_fx, hParamMC->h_output_synthesis_cov_state.mixing_matrix_exp, hParamMC->h_output_synthesis_cov_state.mixing_matrix_res_fx, hParamMC->h_output_synthesis_cov_state.mixing_matrix_res_exp, nchan_out_transport, hParamMC->synthesis_conf, nchan_transport, nchan_out_cov );
+#else
                     ivas_param_mc_get_mixing_matrices_fx( hParamMC, hSynthesisOutputSetup, cx_next_band_fx, cx_e, add( param_band_idx, is_next_band ), hParamMC->h_output_synthesis_cov_state.mixing_matrix_fx, hParamMC->h_output_synthesis_cov_state.mixing_matrix_exp, hParamMC->h_output_synthesis_cov_state.mixing_matrix_res_fx, hParamMC->h_output_synthesis_cov_state.mixing_matrix_res_exp, nchan_out_transport, hParamMC->synthesis_conf, nchan_transport, nchan_out_cov );
+#endif
                 }
                 ELSE
                 {