diff --git a/src/dmr_pi.c b/src/dmr_pi.c
index 55dfb83..33fb3ba 100644
--- a/src/dmr_pi.c
+++ b/src/dmr_pi.c
@@ -14,6 +14,9 @@ void dmr_pi (dsd_opts * opts, dsd_state * state, uint8_t PI_BYTE[], uint32_t CRC
 {
   UNUSED2(opts, CRCCorrect);
 
+  //force slot to 0 if using dmr mono handling
+  if (opts->dmr_mono == 1) state->currentslot = 0;
+
   if((IrrecoverableErrors == 0)) 
   {
 
diff --git a/src/dsd_frame.c b/src/dsd_frame.c
index 3b2a3e1..ba32618 100644
--- a/src/dsd_frame.c
+++ b/src/dsd_frame.c
@@ -160,7 +160,8 @@ processFrame (dsd_opts * opts, dsd_state * state)
           sprintf (state->slot2light, " slot2 ");
           //we can safely open MBE on any MS or mono handling
           if ((opts->mbe_out_dir[0] != 0) && (opts->mbe_out_f == NULL)) openMbeOutFile (opts, state); 
-          if (opts->p25_trunk == 0) dmrMSBootstrap (opts, state); 
+          // if (opts->p25_trunk == 0) //line disabled to allow mono mode while trunking
+            dmrMSBootstrap (opts, state); 
         }
         if (opts->dmr_mono == 1 && state->synctype == 32)
         {
diff --git a/src/dsd_main.c b/src/dsd_main.c
index 7be5912..8db6dc3 100644
--- a/src/dsd_main.c
+++ b/src/dsd_main.c
@@ -2302,13 +2302,13 @@ main (int argc, char **argv)
             state.rf_mod = 0;  //
             opts.pulse_digi_rate_out = 8000;
             opts.pulse_digi_out_channels = 2;
-            opts.dmr_mono = 0;
-            opts.dmr_stereo = 1;
+            opts.dmr_mono = 1;
+            opts.dmr_stereo = 0; //not sure if this will break anything
             state.dmr_stereo = 0; //0
             // opts.setmod_bw = 7000;
-            sprintf (opts.output_name, "DMR Stereo");
-            fprintf (stderr,"-fr / DMR Mono switch has been deprecated.\n");
-            fprintf (stderr,"Decoding DMR Stereo BS/MS Simplex\n");
+            sprintf (opts.output_name, "DMR Mono");
+            // fprintf (stderr,"-fr / DMR Mono switch enabled. \n NOTE: Some ENC options in Slot 2 may not work properly.\n");
+            fprintf (stderr,"\n Decoding DMR Stereo BS/MS Simplex in Mono Single Slot Only Configuration.\n");
 
           }
           else if (optarg[0] == 'm')