diff --git a/bin/omarchy-theme-bg-set b/bin/omarchy-theme-bg-set
index 4b069086..9c695d0e 100755
--- a/bin/omarchy-theme-bg-set
+++ b/bin/omarchy-theme-bg-set
@@ -9,9 +9,14 @@ if [[ -z $1 ]]; then
   exit 1
 fi
 
-BACKGROUND="$1"
+BACKGROUND="$(realpath "$1")"
 CURRENT_BACKGROUND_LINK="$HOME/.config/omarchy/current/background"
 
+if [[ ! -f "$BACKGROUND" ]]; then
+  echo "File does not exist: $BACKGROUND" >&2
+  exit 1
+fi
+
 # Create symlink to the new background
 ln -nsf "$BACKGROUND" "$CURRENT_BACKGROUND_LINK"