1 files changed, 1 insertions, 0 deletions
diff --git a/input.c b/input.c
index c46a92a..92824e3 100644
--- a/input.c
+++ b/input.c
@@ -306,6 +306,7 @@ key(char c)
     break;
 
   case '_': /* The +/- key */
+  case 'i':
     if (making_number)
     {
       if (input_buf[0] == '-')