diff --git a/lib_com/options.h b/lib_com/options.h
index 59daf40a861b119e176179d27d553536838fa14d..bb9519cb16727ec7af7c0d28364bc68af9f71e6e 100644
--- a/lib_com/options.h
+++ b/lib_com/options.h
@@ -162,6 +162,7 @@
 /*#define FIX_I4_OL_PITCH*/                             /* fix open-loop pitch used for EVS core switching */
 #define TMP_1342_WORKAROUND_DEC_FLUSH_BROKEN_IN_SR      /* FhG: Temporary workaround for incorrect implementation of decoder flush with split rendering */
 #define NONBE_1122_KEEP_EVS_MODE_UNCHANGED              /* FhG: Disables fix for issue 1122 in EVS mode to keep BE tests green. This switch should be removed once the 1122 fix is added to EVS via a CR.  */
+#define FIX_2287_MCT_MDCT_STEREO_DATA_MALLOC_SIZE       /* FhG: correct allocation size for STEREO_MDCT_DEC_DATA struct */
 
 /* #################### End BE switches ################################## */
 
diff --git a/lib_dec/ivas_mct_dec.c b/lib_dec/ivas_mct_dec.c
index bc492bd1ab6a786b742d003e5827d58704503d1d..2e796dd54ed9522f9a87d6315df175b9e8a46e5c 100644
--- a/lib_dec/ivas_mct_dec.c
+++ b/lib_dec/ivas_mct_dec.c
@@ -564,7 +564,11 @@ ivas_error mct_dec_reconfigure(
                 hMCT->hBlockData[n]->ch2 = 0;
 
                 /* MDCT stereo initialization */
+#ifdef FIX_2287_MCT_MDCT_STEREO_DATA_MALLOC_SIZE
+                if ( ( hMCT->hBlockData[n]->hStereoMdct = (STEREO_MDCT_DEC_DATA_HANDLE) malloc( sizeof( STEREO_MDCT_DEC_DATA ) ) ) == NULL )
+#else
                 if ( ( hMCT->hBlockData[n]->hStereoMdct = (STEREO_MDCT_DEC_DATA_HANDLE) malloc( sizeof( STEREO_MDCT_ENC_DATA ) ) ) == NULL )
+#endif
                 {
                     return ( IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for MDCT Stereo \n" ) );
                 }