diff --git a/conf/binac.config b/conf/binac.config
index e34f615..8c3d493 100644
--- a/conf/binac.config
+++ b/conf/binac.config
@@ -7,6 +7,7 @@ params {
 
 singularity {
   enabled = true
+  envWhitelist = 'TZ'
 }
 
 process {