diff --git a/lib_com/options.h b/lib_com/options.h
index 5b1e9df0929e529d4b18fda05f946f7d340b6015..8468268872bedea073963dee5ddc708f527348f1 100644
--- a/lib_com/options.h
+++ b/lib_com/options.h
@@ -166,6 +166,7 @@
 #define FIX_SP2A                                        /* VA: Issue 412: Adjust threshold for the S_p2a feature in the tonal detector */
 #define FIX_413_SBA_DTX                                 /* Dlb: Fix for issue 413, SBA DTX CNG in 2TC mode*/
 #define FIX_417_TD_DECORR_BRATE_SW                      /* VA: Issue 417: fix incorrect use of TD decorrelator in bitrate switching */
+#define FIX_431_PARAMMC_PLC_INTERPOLATOR                /* FhG: Issue 431: fix missing interpolator reset for ParamMC PCL */
 
 
 #define LBR_SBA                                         /* Contribution 47: Master macro for low bitrate SBA (SPAR+DirAC) */
diff --git a/lib_dec/ivas_mc_param_dec.c b/lib_dec/ivas_mc_param_dec.c
index a6637ed1f2d306d2cbd52ef130f7755d848582f9..65748bdf9558532621deff3270e518e416437120 100644
--- a/lib_dec/ivas_mc_param_dec.c
+++ b/lib_dec/ivas_mc_param_dec.c
@@ -1328,6 +1328,9 @@ void ivas_param_mc_dec_read_BS(
         /* for PLC, use the saved ILDs and ICCs from the past and set the transient flag and transient position to zero */
         hMetadataPMC->bAttackPresent = 0;
         hMetadataPMC->attackIndex = 0;
+#ifdef FIX_431_PARAMMC_PLC_INTERPOLATOR
+        param_mc_compute_interpolator( hMetadataPMC->bAttackPresent, hMetadataPMC->attackIndex, PARAM_MC_MAX_NSLOTS, hParamMC->h_output_synthesis_params.interpolator );
+#endif
     }
 
     pop_wmops();