diff --git a/silk/fixed/silk_main_FIX.h b/silk/fixed/silk_main_FIX.h
index 88a9a4af..fa13f8d3 100644
--- a/silk/fixed/silk_main_FIX.h
+++ b/silk/fixed/silk_main_FIX.h
@@ -81,7 +81,8 @@ opus_int silk_control_encoder(
     silk_EncControlStruct           *encControl,        /* I:   Control structure                       */
     const opus_int32                 TargetRate_bps,     /* I    Target max bitrate (bps)                */
     const opus_int                   allow_bw_switch,    /* I    Flag to allow switching audio bandwidth */
-    const opus_int                   channelNb           /* I    Channel number                          */
+    const opus_int                   channelNb,           /* I    Channel number                          */
+    const opus_int                   force_fs_kHz
 );
 
 /****************/
diff --git a/silk/float/silk_main_FLP.h b/silk/float/silk_main_FLP.h
index 43761ab4..ddd5a612 100644
--- a/silk/float/silk_main_FLP.h
+++ b/silk/float/silk_main_FLP.h
@@ -79,7 +79,8 @@ opus_int silk_control_encoder(
     silk_EncControlStruct           *encControl,        /* I:   Control structure                       */
     const opus_int32                 TargetRate_bps,     /* I    Target max bitrate (bps)                */
     const opus_int                   allow_bw_switch,    /* I    Flag to allow switching audio bandwidth */
-    const opus_int                   channelNb           /* I    Channel number                          */
+    const opus_int                   channelNb,           /* I    Channel number                          */
+    const opus_int                   force_fs_kHz
 );
 
 /****************/
diff --git a/silk/silk_control_codec.c b/silk/silk_control_codec.c
index 0ddfac9a..3075b347 100644
--- a/silk/silk_control_codec.c
+++ b/silk/silk_control_codec.c
@@ -65,7 +65,8 @@ opus_int silk_control_encoder(
     silk_EncControlStruct           *encControl,        /* I:   Control structure                       */
     const opus_int32                 TargetRate_bps,     /* I    Target max bitrate (bps)                */
     const opus_int                   allow_bw_switch,    /* I    Flag to allow switching audio bandwidth */
-    const opus_int                   channelNb           /* I    Channel number                          */
+    const opus_int                   channelNb,           /* I    Channel number                          */
+    const opus_int                   force_fs_kHz
 )
 {
     opus_int   fs_kHz, ret = 0;
@@ -96,7 +97,8 @@ opus_int silk_control_encoder(
     /* Determine internal sampling rate         */
     /********************************************/
     fs_kHz = silk_control_audio_bandwidth( &psEnc->sCmn );
-
+    if (force_fs_kHz)
+       fs_kHz = force_fs_kHz;
     /********************************************/
     /* Prepare resampler and buffered data      */
     /********************************************/
diff --git a/silk/silk_enc_API.c b/silk/silk_enc_API.c
index 957b8f96..91e08ba6 100644
--- a/silk/silk_enc_API.c
+++ b/silk/silk_enc_API.c
@@ -201,7 +201,9 @@ opus_int silk_Encode(
 
     TargetRate_bps = SKP_RSHIFT32( encControl->bitRate, encControl->nChannelsInternal - 1 );
     for( n = 0; n < encControl->nChannelsInternal; n++ ) {
-        if( ( ret = silk_control_encoder( &psEnc->state_Fxx[ n ], encControl, TargetRate_bps, psEnc->allowBandwidthSwitch, n ) ) != 0 ) {
+        /* JMV: Force the side channel to the same rate as the mid. Is this the right way? */
+        int force_fs_kHz = (n==1) ? psEnc->state_Fxx[0].sCmn.fs_kHz : 0;
+        if( ( ret = silk_control_encoder( &psEnc->state_Fxx[ n ], encControl, TargetRate_bps, psEnc->allowBandwidthSwitch, n, force_fs_kHz ) ) != 0 ) {
             SKP_assert( 0 );
             return ret;
         }