diff --git a/brethil_dotfile.sh b/brethil_dotfile.sh
index 4c4c8f5..8887d94 100755
--- a/brethil_dotfile.sh
+++ b/brethil_dotfile.sh
@@ -81,7 +81,11 @@ if [[ "$(command -v bat)" || "$(command -v batcat)" ]]; then
       alias cat=batcat
       export PAGER=batcat
     fi
-    export BAT_THEME="gruvbox-dark"
+    if [[ -n $THEME_PREFER_LIGHT ]]; then
+      export BAT_THEME="gruvbox-light"
+    else
+      export BAT_THEME="gruvbox-dark"
+    fi
     export BAT_PAGER="less $LESS"
     export PAGER=bat