diff --git a/shell/key-bindings.bash b/shell/key-bindings.bash
index d983bb1..dfa9bf6 100644
--- a/shell/key-bindings.bash
+++ b/shell/key-bindings.bash
@@ -1,6 +1,6 @@
 # Key bindings
 # ------------
-__fsel() {
+__fzf_select__() {
   command find -L . \( -path '*/\.*' -o -fstype 'dev' -o -fstype 'proc' \) -prune \
     -o -type f -print \
     -o -type d -print \
@@ -12,7 +12,7 @@ __fsel() {
 
 if [[ $- =~ i ]]; then
 
-__fsel_tmux() {
+__fzf_select_tmux__() {
   local height
   height=${FZF_TMUX_HEIGHT:-40%}
   if [[ $height =~ %$ ]]; then
@@ -20,13 +20,17 @@ __fsel_tmux() {
   else
     height="-l $height"
   fi
-  tmux split-window $height "cd $(printf %q "$PWD");bash -c 'source ~/.fzf.bash; tmux send-keys -t $TMUX_PANE \"\$(__fsel)\"'"
+  tmux split-window $height "cd $(printf %q "$PWD");bash -c 'source ~/.fzf.bash; tmux send-keys -t $TMUX_PANE \"\$(__fzf_select__)\"'"
 }
 
-__fcd() {
+__fzf_cd__() {
   local dir
   dir=$(command find -L ${1:-.} \( -path '*/\.*' -o -fstype 'dev' -o -fstype 'proc' \) -prune \
-    -o -type d -print 2> /dev/null | sed 1d | cut -b3- | fzf +m) && printf 'cd %q' "$dir"
+    -o -type d -print 2> /dev/null | sed 1d | cut -b3- | fzf-tmux -d${FZF_TMUX_HEIGHT:-40%} +m) && printf 'cd %q' "$dir"
+}
+
+__fzf_history__() {
+  HISTTIMEFORMAT= history | fzf-tmux -d${FZF_TMUX_HEIGHT:-40%} +s --tac +m -n2..,.. --tiebreak=index --toggle-sort=ctrl-r | sed "s/ *[0-9]* *//"
 }
 
 __use_tmux=0
@@ -38,16 +42,16 @@ if [ -z "$(set -o | \grep '^vi.*on')" ]; then
 
   # CTRL-T - Paste the selected file path into the command line
   if [ $__use_tmux -eq 1 ]; then
-    bind '"\C-t": " \C-u \C-a\C-k$(__fsel_tmux)\e\C-e\C-y\C-a\C-d\C-y\ey\C-h"'
+    bind '"\C-t": " \C-u \C-a\C-k$(__fzf_select_tmux__)\e\C-e\C-y\C-a\C-d\C-y\ey\C-h"'
   else
-    bind '"\C-t": " \C-u \C-a\C-k$(__fsel)\e\C-e\C-y\C-a\C-y\ey\C-h\C-e\er \C-h"'
+    bind '"\C-t": " \C-u \C-a\C-k$(__fzf_select__)\e\C-e\C-y\C-a\C-y\ey\C-h\C-e\er \C-h"'
   fi
 
   # CTRL-R - Paste the selected command from history into the command line
-  bind '"\C-r": " \C-e\C-u$(HISTTIMEFORMAT= history | fzf +s --tac +m -n2..,.. --tiebreak=index --toggle-sort=ctrl-r | sed \"s/ *[0-9]* *//\")\e\C-e\er"'
+  bind '"\C-r": " \C-e\C-u$(__fzf_history__)\e\C-e\er"'
 
   # ALT-C - cd into the selected directory
-  bind '"\ec": " \C-e\C-u$(__fcd)\e\C-e\er\C-m"'
+  bind '"\ec": " \C-e\C-u$(__fzf_cd__)\e\C-e\er\C-m"'
 else
   bind '"\C-x\C-e": shell-expand-line'
   bind '"\C-x\C-r": redraw-current-line'
@@ -55,18 +59,18 @@ else
   # CTRL-T - Paste the selected file path into the command line
   # - FIXME: Selected items are attached to the end regardless of cursor position
   if [ $__use_tmux -eq 1 ]; then
-    bind '"\C-t": "\e$a \eddi$(__fsel_tmux)\C-x\C-e\e0P$xa"'
+    bind '"\C-t": "\e$a \eddi$(__fzf_select_tmux__)\C-x\C-e\e0P$xa"'
   else
-    bind '"\C-t": "\e$a \eddi$(__fsel)\C-x\C-e\e0Px$a \C-x\C-r\exa "'
+    bind '"\C-t": "\e$a \eddi$(__fzf_select__)\C-x\C-e\e0Px$a \C-x\C-r\exa "'
   fi
   bind -m vi-command '"\C-t": "i\C-t"'
 
   # CTRL-R - Paste the selected command from history into the command line
-  bind '"\C-r": "\eddi$(HISTTIMEFORMAT= history | fzf +s --tac +m -n2..,.. --tiebreak=index --toggle-sort=ctrl-r | sed \"s/ *[0-9]* *//\")\C-x\C-e\e$a\C-x\C-r"'
+  bind '"\C-r": "\eddi$(__fzf_history__)\C-x\C-e\e$a\C-x\C-r"'
   bind -m vi-command '"\C-r": "i\C-r"'
 
   # ALT-C - cd into the selected directory
-  bind '"\ec": "\eddi$(__fcd)\C-x\C-e\C-x\C-r\C-m"'
+  bind '"\ec": "\eddi$(__fzf_cd__)\C-x\C-e\C-x\C-r\C-m"'
   bind -m vi-command '"\ec": "i\ec"'
 fi
 
diff --git a/shell/key-bindings.fish b/shell/key-bindings.fish
index f5f79c4..2caaf20 100644
--- a/shell/key-bindings.fish
+++ b/shell/key-bindings.fish
@@ -26,25 +26,14 @@ function fzf_key_bindings
   end
 
   function __fzf_ctrl_t
-    if [ -n "$TMUX_PANE" -a "$FZF_TMUX" != "0" ]
-      # FIXME need to handle directory with double-quotes
-      tmux split-window (__fzf_tmux_height) "cd \"$PWD\";fish -c 'fzf_key_bindings; __fzf_ctrl_t_tmux \\$TMUX_PANE'"
-    else
-      __fzf_list | fzf -m > $TMPDIR/fzf.result
-      and commandline -i (cat $TMPDIR/fzf.result | __fzf_escape)
-      commandline -f repaint
-      rm -f $TMPDIR/fzf.result
-    end
-  end
-
-  function __fzf_ctrl_t_tmux
-    __fzf_list | fzf -m > $TMPDIR/fzf.result
-    and tmux send-keys -t $argv[1] (cat $TMPDIR/fzf.result | __fzf_escape)
+    __fzf_list | fzf-tmux (__fzf_tmux_height) -m > $TMPDIR/fzf.result
+    and commandline -i (cat $TMPDIR/fzf.result | __fzf_escape)
+    commandline -f repaint
     rm -f $TMPDIR/fzf.result
   end
 
   function __fzf_ctrl_r
-    history | fzf +s +m --tiebreak=index --toggle-sort=ctrl-r > $TMPDIR/fzf.result
+    history | fzf-tmux (__fzf_tmux_height) +s +m --tiebreak=index --toggle-sort=ctrl-r > $TMPDIR/fzf.result
     and commandline (cat $TMPDIR/fzf.result)
     commandline -f repaint
     rm -f $TMPDIR/fzf.result
@@ -52,7 +41,7 @@ function fzf_key_bindings
 
   function __fzf_alt_c
     # Fish hangs if the command before pipe redirects (2> /dev/null)
-    __fzf_list_dir | fzf +m > $TMPDIR/fzf.result
+    __fzf_list_dir | fzf-tmux (__fzf_tmux_height) +m > $TMPDIR/fzf.result
     [ (cat $TMPDIR/fzf.result | wc -l) -gt 0 ]
     and cd (cat $TMPDIR/fzf.result)
     commandline -f repaint
@@ -61,16 +50,10 @@ function fzf_key_bindings
 
   function __fzf_tmux_height
     if set -q FZF_TMUX_HEIGHT
-      set height $FZF_TMUX_HEIGHT
+      echo "-d$FZF_TMUX_HEIGHT"
     else
-      set height 40%
+      echo "-d40%"
     end
-    if echo $height | \grep -q -E '%$'
-      echo "-p "(echo $height | sed 's/%$//')
-    else
-      echo "-l $height"
-    end
-    set -e height
   end
 
   bind \ct '__fzf_ctrl_t'
diff --git a/shell/key-bindings.zsh b/shell/key-bindings.zsh
index 2bf42fa..40acafc 100644
--- a/shell/key-bindings.zsh
+++ b/shell/key-bindings.zsh
@@ -5,7 +5,7 @@ __fsel() {
   command find -L . \( -path '*/\.*' -o -fstype 'dev' -o -fstype 'proc' \) -prune \
     -o -type f -print \
     -o -type d -print \
-    -o -type l -print 2> /dev/null | sed 1d | cut -b3- | fzf -m | while read item; do
+    -o -type l -print 2> /dev/null | sed 1d | cut -b3- | fzf-tmux -d${FZF_TMUX_HEIGHT:-40%} -m | while read item; do
     printf '%q ' "$item"
   done
   echo
@@ -13,30 +13,17 @@ __fsel() {
 
 if [[ $- =~ i ]]; then
 
-if [ -n "$TMUX_PANE" -a ${FZF_TMUX:-1} -ne 0 -a ${LINES:-40} -gt 15 ]; then
-  fzf-file-widget() {
-    local height
-    height=${FZF_TMUX_HEIGHT:-40%}
-    if [[ $height =~ %$ ]]; then
-      height="-p ${height%\%}"
-    else
-      height="-l $height"
-    fi
-    tmux split-window $height "cd $(printf %q "$PWD");zsh -c 'source ~/.fzf.zsh; tmux send-keys -t $TMUX_PANE \"\$(__fsel)\"'"
-  }
-else
-  fzf-file-widget() {
-    LBUFFER="${LBUFFER}$(__fsel)"
-    zle redisplay
-  }
-fi
+fzf-file-widget() {
+  LBUFFER="${LBUFFER}$(__fsel)"
+  zle redisplay
+}
 zle     -N   fzf-file-widget
 bindkey '^T' fzf-file-widget
 
 # ALT-C - cd into the selected directory
 fzf-cd-widget() {
   cd "${$(command find -L . \( -path '*/\.*' -o -fstype 'dev' -o -fstype 'proc' \) -prune \
-    -o -type d -print 2> /dev/null | sed 1d | cut -b3- | fzf +m):-.}"
+    -o -type d -print 2> /dev/null | sed 1d | cut -b3- | fzf-tmux -d${FZF_TMUX_HEIGHT:-40%} +m):-.}"
   zle reset-prompt
 }
 zle     -N    fzf-cd-widget
@@ -45,7 +32,7 @@ bindkey '\ec' fzf-cd-widget
 # CTRL-R - Paste the selected command from history into the command line
 fzf-history-widget() {
   local selected
-  if selected=$(fc -l 1 | fzf +s --tac +m -n2..,.. --tiebreak=index --toggle-sort=ctrl-r -q "$LBUFFER"); then
+  if selected=$(fc -l 1 | fzf-tmux -d${FZF_TMUX_HEIGHT:-40%} +s --tac +m -n2..,.. --tiebreak=index --toggle-sort=ctrl-r -q "$LBUFFER"); then
     num=$(echo "$selected" | head -1 | awk '{print $1}' | sed 's/[^0-9]//g')
     LBUFFER=!$num
     zle expand-history