diff --git a/themes/binaryanomaly/binaryanomaly.theme.bash b/themes/binaryanomaly/binaryanomaly.theme.bash
index 61573d54..f6740f35 100644
--- a/themes/binaryanomaly/binaryanomaly.theme.bash
+++ b/themes/binaryanomaly/binaryanomaly.theme.bash
@@ -1,80 +1,78 @@
-#!/usr/bin/env bash
-
+# shellcheck shell=bash
 
 # Detect whether a reboot is required
 function show_reboot_required() {
-  if [ ! -z "$_bf_prompt_reboot_info" ]; then
-    if [ -f /var/run/reboot-required ]; then
-      printf "Reboot required!"
-    fi
-  fi
+	if [ -n "$_bf_prompt_reboot_info" ]; then
+		if [ -f /var/run/reboot-required ]; then
+			printf "Reboot required!"
+		fi
+	fi
 }
 
 # Set different host color for local and remote sessions
 function set_host_color() {
-  # Detect if connection is through SSH
-  if [[ ! -z $SSH_CLIENT ]]; then
-    printf "${lime_yellow}"
-  else
-    printf "${light_orange}"
-  fi
+	# Detect if connection is through SSH
+	if [[ -n $SSH_CLIENT ]]; then
+		printf '%s' "${lime_yellow}"
+	else
+		printf '%s' "${light_orange}"
+	fi
 }
 
 # Set different username color for users and root
 function set_user_color() {
-  case $(id -u) in
-    0)
-      printf "${red}"
-      ;;
-    *)
-      printf "${cyan}"
-      ;;
-  esac
+	case $(id -u) in
+		0)
+			printf '%s' "${red}"
+			;;
+		*)
+			printf '%s' "${cyan}"
+			;;
+	esac
 }
 
 scm_prompt() {
-  CHAR=$(scm_char)
-  if [ $CHAR = $SCM_NONE_CHAR ]
-    then
-      return
-    else
-      echo "[$(scm_char)$(scm_prompt_info)]"
-  fi
+	CHAR=$(scm_char)
+	if [ "$CHAR" = "$SCM_NONE_CHAR" ]; then
+		return
+	else
+		echo "[$(scm_char)$(scm_prompt_info)]"
+	fi
 }
 
 # Define custom colors we need
 # non-printable bytes in PS1 need to be contained within \[ \].
 # Otherwise, bash will count them in the length of the prompt
 function set_custom_colors() {
-  dark_grey="\[$(tput setaf 8)\]"
-  light_grey="\[$(tput setaf 248)\]"
+	dark_grey="\[$(tput setaf 8)\]"
+	light_grey="\[$(tput setaf 248)\]"
 
-  light_orange="\[$(tput setaf 172)\]"
-  bright_yellow="\[$(tput setaf 220)\]"
-  lime_yellow="\[$(tput setaf 190)\]"
+	light_orange="\[$(tput setaf 172)\]"
+	bright_yellow="\[$(tput setaf 220)\]"
+	lime_yellow="\[$(tput setaf 190)\]"
 
-  powder_blue="\[$(tput setaf 153)\]"
+	powder_blue="\[$(tput setaf 153)\]"
 }
 
 __ps_time() {
-  echo "$(clock_prompt)${normal}\n"
+	printf '%s' "$(clock_prompt)${normal}\n"
 }
 
 function prompt_command() {
-  ps_reboot="${bright_yellow}$(show_reboot_required)${normal}\n"
+	ps_reboot="${bright_yellow}$(show_reboot_required)${normal}\n"
 
-  ps_username="$(set_user_color)\u${normal}"
-  ps_uh_separator="${dark_grey}@${normal}"
-  ps_hostname="$(set_host_color)\h${normal}"
+	ps_username="$(set_user_color)\u${normal}"
+	ps_uh_separator="${dark_grey}@${normal}"
+	ps_hostname="$(set_host_color)\h${normal}"
 
-  ps_path="${yellow}\w${normal}"
-  ps_scm_prompt="${light_grey}$(scm_prompt)"
+	ps_path="${yellow}\w${normal}"
+	ps_scm_prompt="${light_grey}$(scm_prompt)"
 
-  ps_user_mark="${normal} ${normal}"
-  ps_user_input="${normal}"
+	ps_user_mark="${normal} ${normal}"
+	ps_user_input="${normal}"
 
-  # Set prompt
-  PS1="$ps_reboot$(__ps_time)$ps_username$ps_uh_separator$ps_hostname $ps_path $ps_scm_prompt$ps_user_mark$ps_user_input"
+	# Set prompt
+	PS1="$ps_reboot$(__ps_time)$ps_username$ps_uh_separator$ps_hostname $ps_path $ps_scm_prompt$ps_user_mark$ps_user_input"
 }
 
 # Initialize custom colors