diff --git a/shell/key-bindings.bash b/shell/key-bindings.bash
index 67071931..1b6dcf2a 100644
--- a/shell/key-bindings.bash
+++ b/shell/key-bindings.bash
@@ -57,11 +57,11 @@ if [[ $- =~ i ]]; then
 				last_hist=$(HISTTIMEFORMAT='' builtin history 1) awk -v last_hist="$last_hist" -v c_idx="$c_idx" -v c_reset="$c_reset" '
         BEGIN { HISTCMD = last_hist + 1; cmd = ""; idx = 0 }
         /^\t/ {
-          if (cmd != "" && !seen[cmd]++) printf "%s%d%s\t%s\0", c_idx, HISTCMD - idx, c_reset, cmd
+          if (cmd != "" && !seen[cmd]++) printf "%s%d%s\t%s%c", c_idx, HISTCMD - idx, c_reset, cmd, 0
           idx++; cmd = substr($0, 2); sub(/^[ *]/, "", cmd); next
         }
         { cmd = cmd "\n" $0 }
-        END { if (cmd != "" && !seen[cmd]++) printf "%s%d%s\t%s\0", c_idx, HISTCMD - idx, c_reset, cmd }
+        END { if (cmd != "" && !seen[cmd]++) printf "%s%d%s\t%s%c", c_idx, HISTCMD - idx, c_reset, cmd, 0 }
       ' |
 				SKIM_DEFAULT_OPTIONS="$SKIM_DEFAULT_OPTIONS -n2.. --bind=ctrl-r:toggle-sort $SKIM_CTRL_R_OPTS --no-multi --read0 $ansi_opt" $(__skimcmd) --query "$READLINE_LINE"
 		) || return