diff --git a/targets/RT/USER/lte-softmodem.c b/targets/RT/USER/lte-softmodem.c
index c6b5857980..d8f99ae94d 100644
--- a/targets/RT/USER/lte-softmodem.c
+++ b/targets/RT/USER/lte-softmodem.c
@@ -2622,7 +2622,7 @@ int main(int argc, char **argv) {
 
   for(CC_id=0;CC_id<MAX_NUM_CCs;CC_id++) {
     rf_map[CC_id].card=0;
-    rf_map[CC_id].chain=CC_id+1;
+    rf_map[CC_id].chain=CC_id;
   }
 
   // connect the TX/RX buffers