diff --git a/data-wrapper/v1/csv.ini b/data-wrapper/v1/csv.ini
index 8ce0135..e9ead95 100644
--- a/data-wrapper/v1/csv.ini
+++ b/data-wrapper/v1/csv.ini
@@ -34,7 +34,7 @@
 
 [env]
 path = slim
-value = env('slim', true).thru(x => (x === 'false' ? false : true))
+value = env('slim').thru(x => (x === 'false' ? false : true))
 
 [use]
 plugin = basics
@@ -50,7 +50,7 @@
 value = get(env('value', 'value'))
 
 [exchange]
-value = self().thru(x => _.env('slim', true) ? _.pick(x, ['id', 'value']) : x)
+value = self().thru(x => _.env('slim') ? _.pick(x, ['id', 'value']) : x)
 
 [TARDump]
 compress = true
diff --git a/data-wrapper/v1/istex-tar-gz.ini b/data-wrapper/v1/istex-tar-gz.ini
index 3619a01..95ef476 100644
--- a/data-wrapper/v1/istex-tar-gz.ini
+++ b/data-wrapper/v1/istex-tar-gz.ini
@@ -35,7 +35,7 @@
 
 [env]
 path = slim
-value = env('slim', true).thru(x => (x === 'false' ? false : true))
+value = env('slim').thru(x => (x === 'false' ? false : true))
 
 [use]
 plugin = basics
@@ -49,10 +49,10 @@
 value = get(env('id', 'ark.0'))
 
 path = value
-value = get(env('id', 'abstract'))
+value = get(env('value', 'abstract'))
 
 [exchange]
-value = self().thru(x => _.env('slim', true) ? _.pick(x, ['id', 'value']) : x)
+value = self().thru(x => _.env('slim') ? _.pick(x, ['id', 'value']) : x)
 
 [TARDump]
 compress = true