diff --git a/usr/local/bin/bastille b/usr/local/bin/bastille
index ae0da199..228b9eaf 100755
--- a/usr/local/bin/bastille
+++ b/usr/local/bin/bastille
@@ -128,7 +128,16 @@ BASTILLE_VERSION="0.13.20250126"
 if [ -z "${BASTILLE_CONFIG}" ]; then
     BASTILLE_CONFIG=/usr/local/etc/bastille/bastille.conf
     export BASTILLE_CONFIG
-fi
+elif [ -r "${BASTILLE_CONFIG}" ]; then
+    info "Using custom config: ${BASTILLE_CONFIG}"
+    export BASTILLE_CONFIG
+elif [ -r "/usr/local/etc/bastille/${BASTILLE_CONFIG}" ]; then
+    BASTILLE_CONFIG="/usr/local/etc/bastille/${BASTILLE_CONFIG}"
+    info "Using custom config: ${BASTILLE_CONFIG}"
+    export BASTILLE_CONFIG
+else
+    error_exit "Not a valid config file: ${BASTILLE_CONFIG}"
+fi   
 
 # Load common.sh after setting BASTILLE_CONFIG
 . /usr/local/share/bastille/common.sh