diff --git a/src/winio.c b/src/winio.c
index 0a5a1647..caccaf2c 100644
--- a/src/winio.c
+++ b/src/winio.c
@@ -818,11 +818,13 @@ int convert_sequence(const int *seq, size_t length, int *consumed)
 					case 'D': /* Esc O 1 ; 2 D == Shift-Left on Terminal. */
 						shift_held = TRUE;
 						return arrow_from_ABCD(seq[4]);
+#ifdef ENABLE_NANORC
 					case 'P': /* Esc O 1 ; 2 P == F13 on Gnome Terminal. */
 					case 'Q': /* Esc O 1 ; 2 Q == F14 on Gnome Terminal. */
 					case 'R': /* Esc O 1 ; 2 R == F15 on Gnome Terminal. */
 					case 'S': /* Esc O 1 ; 2 S == F16 on Gnome Terminal. */
 						return KEY_F(13 + seq[4] - 'P');
+#endif
 				}
 				break;
 			case '5':
@@ -844,12 +846,14 @@ int convert_sequence(const int *seq, size_t length, int *consumed)
 					case '2':
 						if (length > 2) {
 							*consumed = 3;
+#ifdef ENABLE_NANORC
 							if ('O' < seq[2] && seq[2] < 'T')
 								/* Esc O 2 P == F13 on Konsole. */
 								/* Esc O 2 Q == F14 on Konsole. */
 								/* Esc O 2 R == F15 on Konsole. */
 								/* Esc O 2 S == F16 on Konsole. */
 								return KEY_F(13 + seq[2] - 'P');
+#endif
 						}
 						break;
 					case '5':
@@ -977,6 +981,8 @@ int convert_sequence(const int *seq, size_t length, int *consumed)
 						return SHIFT_END;
 					case 'H': /* Esc [ 1 ; 2 H == Shift-Home on xterm. */
 						return SHIFT_HOME;
+#endif
+#ifdef ENABLE_NANORC
 					case 'P': /* Esc [ 1 ; 2 P == F13 on xterm. */
 					case 'Q': /* Esc [ 1 ; 2 Q == F14 on xterm. */
 					case 'R': /* Esc [ 1 ; 2 R == F15 on xterm. */
@@ -1064,15 +1070,20 @@ int convert_sequence(const int *seq, size_t length, int *consumed)
 								case '1': /* Esc [ 2 1 ~ == F10 on the same. */
 									return KEY_F(10);
 								case '3': /* Esc [ 2 3 ~ == F11 on the same. */
+									return KEY_F(11);
 								case '4': /* Esc [ 2 4 ~ == F12 on the same. */
+									return KEY_F(12);
+#ifdef ENABLE_NANORC
 								case '5': /* Esc [ 2 5 ~ == F13 on VT220/VT320/
 										   * Linux console/rxvt/Eterm. */
+									return KEY_F(13);
 								case '6': /* Esc [ 2 6 ~ == F14 on the same. */
-									return KEY_F(11 + seq[2] - '3');
+									return KEY_F(14);
 								case '8': /* Esc [ 2 8 ~ == F15 on the same. */
 									return KEY_F(15);
 								case '9': /* Esc [ 2 9 ~ == F16 on the same. */
 									return KEY_F(16);
+#endif
 							}
 						} else if (length > 2 && seq[2] == '~')
 							/* Esc [ 2 ~ == Insert on VT220/VT320/