diff --git a/log_helpers b/log_helpers
index 2148a25..67a1b33 100755
--- a/log_helpers
+++ b/log_helpers
@@ -1,7 +1,7 @@
 #!/bin/bash
 # set -x 
 
-if [ ${log_helpers_sourced:-1} = "1" ]; then    # include ony once
+if [ "${log_helpers_sourced:-1}" = "1" ]; then    # include only once
     readonly log_helpers_sourced=${BASH_SOURCE[0]}
 
     readonly log_file=/var/log/update_controller.log