diff --git a/tests/dumpcaps.c b/tests/dumpcaps.c
index 32d265149..ae6874436 100644
--- a/tests/dumpcaps.c
+++ b/tests/dumpcaps.c
@@ -191,7 +191,7 @@ int dumpcaps(RIG *rig, FILE *fout)
     case RIG_PORT_SERIAL:
         fprintf(fout, "RS-232\n");
         fprintf(fout,
-                "Serial speed: %d..%d bauds, %d%c%d %s\n",
+                "Serial speed: %d..%d baud, %d%c%d, ctrl=%s\n",
                 caps->serial_rate_min,
                 caps->serial_rate_max,
                 caps->serial_data_bits,
@@ -200,7 +200,7 @@ int dumpcaps(RIG *rig, FILE *fout)
                 caps->serial_parity == RIG_PARITY_EVEN ? 'E' :
                 caps->serial_parity == RIG_PARITY_MARK ? 'M' : 'S',
                 caps->serial_stop_bits,
-                caps->serial_handshake == RIG_HANDSHAKE_NONE ? "" :
+                caps->serial_handshake == RIG_HANDSHAKE_NONE ? "NONE" :
                 (caps->serial_handshake == RIG_HANDSHAKE_XONXOFF ? "XONXOFF" : "CTS/RTS")
                );
         break;
diff --git a/tests/dumpcaps_amp.c b/tests/dumpcaps_amp.c
index 8a45e998d..39d16f9bd 100644
--- a/tests/dumpcaps_amp.c
+++ b/tests/dumpcaps_amp.c
@@ -70,7 +70,7 @@ int dumpcaps_amp(AMP *amp, FILE *fout)
     case RIG_PORT_SERIAL:
         fprintf(fout, "RS-232\n");
         fprintf(fout,
-                "Serial speed:\t\t%d..%d bauds, %d%c%d%s\n",
+                "Serial speed:\t\t%d..%d baud, %d%c%d, ctrl=%s\n",
                 caps->serial_rate_min,
                 caps->serial_rate_max,
                 caps->serial_data_bits,
@@ -79,8 +79,8 @@ int dumpcaps_amp(AMP *amp, FILE *fout)
                 caps->serial_parity == RIG_PARITY_EVEN ? 'E' :
                 caps->serial_parity == RIG_PARITY_MARK ? 'M' : 'S',
                 caps->serial_stop_bits,
-                caps->serial_handshake == RIG_HANDSHAKE_NONE ? "" :
-                (caps->serial_handshake == RIG_HANDSHAKE_XONXOFF ? " XONXOFF" : " CTS/RTS")
+                caps->serial_handshake == RIG_HANDSHAKE_NONE ? "NONE" :
+                (caps->serial_handshake == RIG_HANDSHAKE_XONXOFF ? "XONXOFF" : "CTS/RTS")
                );
         break;
 
diff --git a/tests/dumpcaps_rot.c b/tests/dumpcaps_rot.c
index 5868d3c5b..8f4e0db97 100644
--- a/tests/dumpcaps_rot.c
+++ b/tests/dumpcaps_rot.c
@@ -88,7 +88,7 @@ int dumpcaps_rot(ROT *rot, FILE *fout)
     case RIG_PORT_SERIAL:
         fprintf(fout, "RS-232\n");
         fprintf(fout,
-                "Serial speed:\t\t%d..%d bauds, %d%c%d%s\n",
+                "Serial speed:\t\t%d..%d bauds, %d%c%d, ctrl=%s\n",
                 caps->serial_rate_min,
                 caps->serial_rate_max,
                 caps->serial_data_bits,
@@ -97,8 +97,8 @@ int dumpcaps_rot(ROT *rot, FILE *fout)
                 caps->serial_parity == RIG_PARITY_EVEN ? 'E' :
                 caps->serial_parity == RIG_PARITY_MARK ? 'M' : 'S',
                 caps->serial_stop_bits,
-                caps->serial_handshake == RIG_HANDSHAKE_NONE ? "" :
-                (caps->serial_handshake == RIG_HANDSHAKE_XONXOFF ? " XONXOFF" : " CTS/RTS")
+                caps->serial_handshake == RIG_HANDSHAKE_NONE ? "NONE" :
+                (caps->serial_handshake == RIG_HANDSHAKE_XONXOFF ? "XONXOFF" : "CTS/RTS")
                );
         break;