diff --git a/dump1090.h b/dump1090.h
index c00c513..bfdc848 100644
--- a/dump1090.h
+++ b/dump1090.h
@@ -343,6 +343,7 @@ struct _Modes {                             // Internal state
     uint32_t show_only;              // Only show messages from this ICAO
     int   interactive;               // Interactive mode
     uint64_t interactive_display_ttl;// Interactive mode: TTL display
+    int interactive_display_size;    // Size of TTL display
     int   interactive_show_distance; // Show aircraft distance and bearing instead of lat/lon
     interactive_distance_unit_t interactive_distance_units; // Units for interactive distance display
     char *interactive_callsign_filter; // Filter for interactive display callsigns
diff --git a/interactive.c b/interactive.c
index 9b55ff3..fae77ac 100644
--- a/interactive.c
+++ b/interactive.c
@@ -264,12 +264,12 @@ void interactiveShowData(void) {
             signalMean += signalDisplay;
 
             if (row < rows) {
-                mvprintw(row, 0, "%s%06X %-4s  %-4s  %-8s %6s %3s  %3s  %7s %8s %5.1f %5d %2.0f",
+                mvprintw(row, 0, "%s%06X %-4s  %-4s  %-8s %6s %3s  %3s  %7s %8s %5.1f %5d %*.0f",
                      (a->addr & MODES_NON_ICAO_ADDRESS) ? "~" : " ", (a->addr & 0xffffff),
                      strMode, strSquawk, a->callsign, strFl, strGs, strTt,
                      Modes.interactive_show_distance ? strDistance : strLat,
                      Modes.interactive_show_distance ? strBearing : strLon,
-                     signalDisplay, msgs, (now - a->seen)/1000.0);
+                     signalDisplay, msgs, Modes.interactive_display_size, (now - a->seen)/1000.0);
 
                 if (signalDisplay >= signalMax) {
                     rowMaxRSSI = row;
diff --git a/view1090.c b/view1090.c
index 1912590..0c9a097 100644
--- a/view1090.c
+++ b/view1090.c
@@ -172,6 +172,7 @@ int main(int argc, char **argv) {
             Modes.interactive = 0;
         } else if (!strcmp(argv[j],"--interactive-ttl") && more) {
             Modes.interactive_display_ttl = (uint64_t)(1000 * atof(argv[++j]));
+            Modes.interactive_display_size = strlen(argv[j]);
         } else if (!strcmp(argv[j], "--interactive-show-distance")) {
             Modes.interactive_show_distance = 1;
         } else if (!strcmp(argv[j], "--interactive-distance-units") && more) {