diff --git a/scripts/functions b/scripts/functions
index 24463428..5874c854 100644
--- a/scripts/functions
+++ b/scripts/functions
@@ -727,7 +727,7 @@ CT_DoGetFile()
     rm -f "${tmp}"
 
     # Replace a special value of '-1' with empty string
-    if [ ${CT_CONNECT_TIMEOUT} != -1 ]; then
+    if [ "${CT_CONNECT_TIMEOUT}" != -1 ]; then
         T="${CT_CONNECT_TIMEOUT}"
     fi