diff --git a/tidepool/src/lib/types.nix b/tidepool/src/lib/types.nix
index b827661..5ba7ff1 100644
--- a/tidepool/src/lib/types.nix
+++ b/tidepool/src/lib/types.nix
@@ -70,6 +70,8 @@ in
       # Any arbitrary Bash variable
       bashVar =
         (lib.types.one [
+          lib.types.number
+          lib.types.bashString
           lib.types.bashList
           lib.types.bashMap
         ])