diff --git a/shell/key-bindings.bash b/shell/key-bindings.bash
index dfa9bf6..362e442 100644
--- a/shell/key-bindings.bash
+++ b/shell/key-bindings.bash
@@ -12,6 +12,10 @@ __fzf_select__() {
 
 if [[ $- =~ i ]]; then
 
+__fzfcmd() {
+  [ ${FZF_TMUX:-1} -eq 1 ] && echo "fzf-tmux -d${FZF_TMUX_HEIGHT:-40%}" || echo "fzf"
+}
+
 __fzf_select_tmux__() {
   local height
   height=${FZF_TMUX_HEIGHT:-40%}
@@ -26,11 +30,11 @@ __fzf_select_tmux__() {
 __fzf_cd__() {
   local dir
   dir=$(command find -L ${1:-.} \( -path '*/\.*' -o -fstype 'dev' -o -fstype 'proc' \) -prune \
-    -o -type d -print 2> /dev/null | sed 1d | cut -b3- | fzf-tmux -d${FZF_TMUX_HEIGHT:-40%} +m) && printf 'cd %q' "$dir"
+    -o -type d -print 2> /dev/null | sed 1d | cut -b3- | $(__fzfcmd) +m) && printf 'cd %q' "$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]* *//"
+  HISTTIMEFORMAT= history | $(__fzfcmd) +s --tac +m -n2..,.. --tiebreak=index --toggle-sort=ctrl-r | sed "s/ *[0-9]* *//"
 }
 
 __use_tmux=0
diff --git a/shell/key-bindings.fish b/shell/key-bindings.fish
index 2caaf20..8be5ab5 100644
--- a/shell/key-bindings.fish
+++ b/shell/key-bindings.fish
@@ -26,14 +26,14 @@ function fzf_key_bindings
   end
 
   function __fzf_ctrl_t
-    __fzf_list | fzf-tmux (__fzf_tmux_height) -m > $TMPDIR/fzf.result
+    __fzf_list | eval (__fzfcmd) -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-tmux (__fzf_tmux_height) +s +m --tiebreak=index --toggle-sort=ctrl-r > $TMPDIR/fzf.result
+    history | eval (__fzfcmd) +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
@@ -41,18 +41,24 @@ function fzf_key_bindings
 
   function __fzf_alt_c
     # Fish hangs if the command before pipe redirects (2> /dev/null)
-    __fzf_list_dir | fzf-tmux (__fzf_tmux_height) +m > $TMPDIR/fzf.result
+    __fzf_list_dir | eval (__fzfcmd) +m > $TMPDIR/fzf.result
     [ (cat $TMPDIR/fzf.result | wc -l) -gt 0 ]
     and cd (cat $TMPDIR/fzf.result)
     commandline -f repaint
     rm -f $TMPDIR/fzf.result
   end
 
-  function __fzf_tmux_height
-    if set -q FZF_TMUX_HEIGHT
-      echo "-d$FZF_TMUX_HEIGHT"
+  function __fzfcmd
+    set -q FZF_TMUX; or set FZF_TMUX 1
+
+    if [ $FZF_TMUX -eq 1 ]
+      if set -q FZF_TMUX_HEIGHT
+        echo "fzf-tmux -d$FZF_TMUX_HEIGHT"
+      else
+        echo "fzf-tmux -d40%"
+      end
     else
-      echo "-d40%"
+      echo "fzf"
     end
   end
 
diff --git a/shell/key-bindings.zsh b/shell/key-bindings.zsh
index 40acafc..f8cbb71 100644
--- a/shell/key-bindings.zsh
+++ b/shell/key-bindings.zsh
@@ -5,12 +5,16 @@ __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-tmux -d${FZF_TMUX_HEIGHT:-40%} -m | while read item; do
+    -o -type l -print 2> /dev/null | sed 1d | cut -b3- | $(__fzfcmd) -m | while read item; do
     printf '%q ' "$item"
   done
   echo
 }
 
+__fzfcmd() {
+  [ ${FZF_TMUX:-1} -eq 1 ] && echo "fzf-tmux -d${FZF_TMUX_HEIGHT:-40%}" || echo "fzf"
+}
+
 if [[ $- =~ i ]]; then
 
 fzf-file-widget() {
@@ -23,7 +27,7 @@ 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-tmux -d${FZF_TMUX_HEIGHT:-40%} +m):-.}"
+    -o -type d -print 2> /dev/null | sed 1d | cut -b3- | $(__fzfcmd) +m):-.}"
   zle reset-prompt
 }
 zle     -N    fzf-cd-widget
@@ -32,7 +36,7 @@ bindkey '\ec' fzf-cd-widget
 # CTRL-R - Paste the selected command from history into the command line
 fzf-history-widget() {
   local selected
-  if selected=$(fc -l 1 | fzf-tmux -d${FZF_TMUX_HEIGHT:-40%} +s --tac +m -n2..,.. --tiebreak=index --toggle-sort=ctrl-r -q "$LBUFFER"); then
+  if selected=$(fc -l 1 | $(__fzfcmd) +s --tac +m -n2..,.. --tiebreak=index --toggle-sort=ctrl-r -q "$LBUFFER"); then
     num=$(echo "$selected" | head -1 | awk '{print $1}' | sed 's/[^0-9]//g')
     LBUFFER=!$num
     zle expand-history