diff --git a/tools/install.sh b/tools/install.sh
index 90e4dab..8ecaafc 100755
--- a/tools/install.sh
+++ b/tools/install.sh
@@ -126,6 +126,15 @@ function import_config {
         source tools/config.bullseye
         return 0
     fi
+
+    ## rpi os bullseye
+    if [ "$(uname -m)" != "aarch64" ] &&
+    [ "$(get_os_version ubuntu)" != "0" ] &&
+    [ -f "tools/config.bullseye" ]; then
+        # shellcheck disable=SC1091
+        source tools/config.bullseye
+        return 0
+    fi
 }
 
 ### Detect crowsnest.