diff --git a/kubectx b/kubectx
index d7bf945..65f38b5 100755
--- a/kubectx
+++ b/kubectx
@@ -113,11 +113,11 @@ switch_context() {
 
 choose_context_interactive() {
   local choice
-	local FZF='fzf'
-	[[ -n "${TMUX-}" ]] && FZF="fzf-tmux"
+	local fzf='fzf'
+	[[ -n "${TMUX-}" ]] && fzf="fzf-tmux"
   choice="$(_KUBECTX_FORCE_COLOR=1 \
     FZF_DEFAULT_COMMAND="${SELF_CMD}" \
-    ${FZF} --ansi --no-preview || true)"
+    ${fzf} --ansi --no-preview || true)"
   if [[ -z "${choice}" ]]; then
     echo 2>&1 "error: you did not choose any of the options"
     exit 1
diff --git a/kubens b/kubens
index 199d119..3cd6e92 100755
--- a/kubens
+++ b/kubens
@@ -114,11 +114,11 @@ choose_namespace_interactive() {
   fi
 
   local choice
-	local FZF='fzf'
-	[[ -n "${TMUX-}" ]] && FZF="fzf-tmux"
+	local fzf='fzf'
+	[[ -n "${TMUX-}" ]] && fzf="fzf-tmux"
   choice="$(_KUBECTX_FORCE_COLOR=1 \
     FZF_DEFAULT_COMMAND="${SELF_CMD}" \
-    ${FZF} --ansi --no-preview || true)"
+    ${fzf} --ansi --no-preview || true)"
   if [[ -z "${choice}" ]]; then
     echo 2>&1 "error: you did not choose any of the options"
     exit 1