diff --git a/test/functions.source b/test/functions.source
index 4b9549e3..cf907c21 100644
--- a/test/functions.source
+++ b/test/functions.source
@@ -419,8 +419,9 @@ copyVideoFiles ()
 prepareTest()
 {
 	##
-	# locale setting
+	# locale and timezone setting
 	export LC_ALL=C
+	export TZ=BST-1
 
 	##
 	# initialize globals