diff --git a/configure_once.sh b/configure_once.sh
index b31eda0782f00d2092a9f1622927dfd3d0016616..5ce0222dbfe70c3eb4e6d036e7ca4d80597dfc96 100755
--- a/configure_once.sh
+++ b/configure_once.sh
@@ -47,7 +47,7 @@ function remove_all() {
     git pull
     rm -rf $mumble_dir $jitsi_dir $novnc_dir
 
-    if [$dbg_delete_letsencrypt = "true"]
+    if [$dbg_delete_letsencrypt = "true"]; then
         rm -rf $le_dir
     fi