diff --git a/lib_com/options.h b/lib_com/options.h
index 143026dbebce55c152889c6d3a06b08d4f488d7f..76b6649a1f3663ff781241abc3594e0da1224cd9 100644
--- a/lib_com/options.h
+++ b/lib_com/options.h
@@ -160,9 +160,10 @@
 /*#define FIX_I4_OL_PITCH*/                             /* fix open-loop pitch used for EVS core switching */
 
 //#define FIX_CREND_FIX_POINT_HRTF_FILE_FORMAT          /* Orange issue 1031 : new fix point hrtf binary file format */
-//#define FIX_CREND_SIMPLIFY_CODE                         /* Ora : simplify line code in crend */
+//#define FIX_CREND_SIMPLIFY_CODE                       /* Orange: simplify line code in Crend */
 #define FLOAT_FIX_POINT_HRTF_FILE_FORMAT                /* allows reading floation or fix point hrtf binary file format */
 #define FIX_1138_SBA_EXT_ERROR_PRINTOUT                 /* VA: issue 1138: Fix SBA EXT output call of audioCfg2channels() */
+#define FIX_1117_ISAR_MALLOC                            /* VA: issue 1117: call ISAR malloc() only at the initialization. */
 
 /* #################### End BE switches ################################## */
 
diff --git a/lib_dec/lib_dec.c b/lib_dec/lib_dec.c
index c5654bd8ad534816f60105363b51cee90fc80796..dcf01c66eefbb2e67d46248117f169ae53e5c581 100644
--- a/lib_dec/lib_dec.c
+++ b/lib_dec/lib_dec.c
@@ -268,11 +268,13 @@ static ivas_error isar_set_split_rend_setup(
     splitRendBits->isar_frame_size_ms = 0;
     splitRendBits->lc3plus_highres = 0;
 
+#ifndef FIX_1117_ISAR_MALLOC
     if ( ( hSplitBinRend->hMultiBinCldfbData = (ISAR_DEC_SPLIT_REND_MULTI_BIN_CLDFB_DATA_HANDLE) malloc( sizeof( ISAR_DEC_SPLIT_REND_MULTI_BIN_CLDFB_DATA ) ) ) == NULL )
     {
         return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Cannot allocate memory for split rendering structure" );
     }
 
+#endif
     ISAR_PRE_REND_GetMultiBinPoseData( hSplitBinConfig, &hSplitBinRend->splitrend.multiBinPoseData, ( hCombinedOrientationData != NULL ) ? hCombinedOrientationData->sr_pose_pred_axis : DEFAULT_AXIS );
 
     if ( hCombinedOrientationData != NULL )
@@ -1236,8 +1238,10 @@ ivas_error IVAS_DEC_GetSplitBinauralBitstream(
             ivas_syn_output( pOutput, numSamplesPerChannelToDecode, st_ivas->hDecoderConfig->nchan_out, (int16_t *) pcmBuf_out );
     }
 
+#ifndef FIX_1117_ISAR_MALLOC
     free( st_ivas->hSplitBinRend->hMultiBinCldfbData );
 
+#endif
     return error;
 }
 
@@ -3919,6 +3923,11 @@ static void ivas_destroy_handle_isar(
 {
     if ( *hSplitBinRend != NULL )
     {
+#ifdef FIX_1117_ISAR_MALLOC
+        free( ( *hSplitBinRend )->hMultiBinCldfbData );
+        ( *hSplitBinRend )->hMultiBinCldfbData = NULL;
+
+#endif
         ISAR_PRE_REND_close( &( *hSplitBinRend )->splitrend, NULL );
 
         if ( ( *hSplitBinRend )->hCldfbDataOut != NULL )
@@ -4114,6 +4123,14 @@ static ivas_error ivas_dec_init_split_rend(
         cldfb_in_flag = 1;
     }
 
+#ifdef FIX_1117_ISAR_MALLOC
+    /* note: this is intra-frame heap memory */
+    if ( ( st_ivas->hSplitBinRend->hMultiBinCldfbData = (ISAR_DEC_SPLIT_REND_MULTI_BIN_CLDFB_DATA_HANDLE) malloc( sizeof( ISAR_DEC_SPLIT_REND_MULTI_BIN_CLDFB_DATA ) ) ) == NULL )
+    {
+        return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Cannot allocate memory for split rendering structure" );
+    }
+
+#endif
     ISAR_PRE_REND_GetMultiBinPoseData( &st_ivas->hRenderConfig->split_rend_config, &st_ivas->hSplitBinRend->splitrend.multiBinPoseData, ( st_ivas->hHeadTrackData != NULL ) ? st_ivas->hHeadTrackData->sr_pose_pred_axis : DEFAULT_AXIS );
 
     if ( cldfb_in_flag == 1 && ( st_ivas->hSplitBinRend->splitrend.multiBinPoseData.poseCorrectionMode == ISAR_SPLIT_REND_POSE_CORRECTION_MODE_NONE ) )