diff --git a/lib/self-upgrade.bash b/lib/self-upgrade.bash
index 3103b62..b459492 100644
--- a/lib/self-upgrade.bash
+++ b/lib/self-upgrade.bash
@@ -26,7 +26,7 @@ sudo_root
 assert_system_mode
 
 current=$("$MIAOU_BASH_DIR"/bin/miaou-bash --version)
-latest=$("$MIAOU_BASH_DIR/tools/wget_semver" artcode miaou/miaou-bash)
+latest=$("$MIAOU_BASH_DIR"/tools/wget_semver artcode miaou/miaou-bash)
 if [[ "$current" == "$latest" ]]; then
   . "$MIAOU_BASH_DIR"/lib/initiate.bash
   echo "up-to-date version: $current"