diff --git a/tests/liveoil.DATA b/tests/liveoil.DATA
index c6a04b406..48fcafe6b 100644
--- a/tests/liveoil.DATA
+++ b/tests/liveoil.DATA
@@ -1,3 +1,8 @@
+TABDIMS
+-- use the defaults of TABDIMS but the keyword must be present in the deck
+-- for it to be usable
+/
+
 OIL
 GAS
 WATER
diff --git a/tests/wetgas.DATA b/tests/wetgas.DATA
index 4fad316e5..3c094dc16 100644
--- a/tests/wetgas.DATA
+++ b/tests/wetgas.DATA
@@ -1,3 +1,8 @@
+TABDIMS
+-- use the defaults of TABDIMS but the keyword must be present in the deck
+-- for it to be usable
+/
+
 WATER
 OIL
 GAS