diff --git a/lib_com/options.h b/lib_com/options.h
index 20a1dc555fe80b73da329f7f6659fa880ec4bf59..0932d24347044d48ec5717e1009def223b491e79 100644
--- a/lib_com/options.h
+++ b/lib_com/options.h
@@ -101,4 +101,6 @@
 #define TEST_HR
 #define REMOVE_EVS_DUPLICATES                   /* remove core-coder duplicated functions, ACELP low-band decoder */
 
+#define FIX_1713_EXP                            /* VA: proposed correction to exp in ic-BWE*/
+
 #endif
diff --git a/lib_enc/ivas_stereo_icbwe_enc_fx.c b/lib_enc/ivas_stereo_icbwe_enc_fx.c
index eba30f7621eb97cad131d197a949d7d98704f5ee..95c49aeae8f13423959a6ec97aa6092144f4f790 100644
--- a/lib_enc/ivas_stereo_icbwe_enc_fx.c
+++ b/lib_enc/ivas_stereo_icbwe_enc_fx.c
@@ -828,7 +828,11 @@ void stereo_icBWE_enc_ivas_fx(
     ELSE
     {
 
+#ifndef FIX_1713_EXP
         max_e = s_max( hStereoICBWE->mem_shb_speech_nonref_e, shb_speech_nonref_e );
+#else
+        max_e = s_max( hStereoICBWE->mem_shb_speech_ref_e, shb_speech_ref_e );
+#endif
         Copy_Scale_sig( hStereoICBWE->mem_shb_speech_ref_fx, hStereoICBWE->mem_shb_speech_ref_fx, L_LOOK_16k, negate( sub( max_e, hStereoICBWE->mem_shb_speech_ref_e ) ) ); // mem_shb_speech_ref_e
 
         set32_fx( shb_frame_ref_fx, 0, L_LOOK_16k + L_FRAME16k );
@@ -853,9 +857,12 @@ void stereo_icBWE_enc_ivas_fx(
         move16();
         /* shb_frame_ref_ICBWE @ (8.75 - shb_speech_delay (=1.25) ms) after shb_speech */
 
-        Copy_Scale_sig32( shb_speech_nonref_fx, shb_frame_nonref_fx + L_LOOK_16k - nonRefMemLen, L_FRAME16k, negate( sub( max_e, shb_speech_nonref_e ) ) );                                   /* Q31-max_e */
+        Copy_Scale_sig32( shb_speech_nonref_fx, shb_frame_nonref_fx + L_LOOK_16k - nonRefMemLen, L_FRAME16k, negate( sub( max_e, shb_speech_nonref_e ) ) ); /* Q31-max_e */
+#ifndef FIX_1713_EXP
         Copy_Scale_sig_32_16( shb_frame_nonref_fx + L_FRAME16k, hStereoICBWE->mem_shb_speech_nonref_fx, L_LOOK_16k, sub( negate( sub( max_e, hStereoICBWE->mem_shb_speech_ref_e ) ), Q16 ) ); // mem_shb_speech_ref_e
-
+#else
+        Copy_Scale_sig_32_16( shb_frame_nonref_fx + L_FRAME16k, hStereoICBWE->mem_shb_speech_nonref_fx, L_LOOK_16k, sub( negate( sub( max_e, hStereoICBWE->mem_shb_speech_nonref_e ) ), Q16 ) ); // mem_shb_speech_ref_e
+#endif
 
         /* core switching reset */
         test();