diff --git a/states/gnuviechadmin/gvafile/run_celery.sh b/states/gnuviechadmin/gvafile/run_celery.sh
index c7d0e33..cc8af9c 100644
--- a/states/gnuviechadmin/gvafile/run_celery.sh
+++ b/states/gnuviechadmin/gvafile/run_celery.sh
@@ -3,5 +3,10 @@
 set -ex
 
 . {{ home }}/gvasettings.sh
+
+unset LANG LANGUAGE LC_CTYPE LC_NUMERIC LC_TIME LC_COLLATE LC_MONETARY \
+    LC_MESSAGES LC_PAPER LC_NAME LC_ADDRESS LC_TELEPHONE LC_MEASUREMENT \
+    LC_IDENTIFICATION LC_ALL
+
 cd {{ appdir }}
 {{ virtualenv }}/bin/celery worker -A gvafile -Q file --loglevel=INFO
diff --git a/states/gnuviechadmin/gvaldap/run_celery.sh b/states/gnuviechadmin/gvaldap/run_celery.sh
index eac31c8..823c828 100644
--- a/states/gnuviechadmin/gvaldap/run_celery.sh
+++ b/states/gnuviechadmin/gvaldap/run_celery.sh
@@ -3,5 +3,10 @@
 set -ex
 
 . {{ home }}/gvasettings.sh
+
+unset LANG LANGUAGE LC_CTYPE LC_NUMERIC LC_TIME LC_COLLATE LC_MONETARY \
+    LC_MESSAGES LC_PAPER LC_NAME LC_ADDRESS LC_TELEPHONE LC_MEASUREMENT \
+    LC_IDENTIFICATION LC_ALL
+
 cd {{ appdir }}
 {{ virtualenv }}/bin/celery worker -A gvaldap -Q ldap --loglevel=INFO