diff --git a/searx/engines/gigablast.py b/searx/engines/gigablast.py
index 99791a42..ed9380ec 100644
--- a/searx/engines/gigablast.py
+++ b/searx/engines/gigablast.py
@@ -33,7 +33,7 @@ search_string = 'search?{query}'\
     '&qh=0'\
     '&qlang={lang}'\
     '&ff={safesearch}'\
-    '&rxieu={rxieu}'\
+    '&rxiec={rxieu}'\
     '&rand={rxikd}'  # current unix timestamp
 
 # specific xpath variables