diff --git a/config/config_test.go b/config/config_test.go
index 2ef68dae97..3c7828b6a6 100644
--- a/config/config_test.go
+++ b/config/config_test.go
@@ -201,6 +201,12 @@ func TestConfigValidate_table(t *testing.T) {
 			true,
 			"cannot contain interp",
 		},
+		{
+			"nested types in variable default",
+			"validate-var-nested",
+			true,
+			"ERROR",
+		},
 	}
 
 	for i, tc := range cases {
diff --git a/config/test-fixtures/validate-var-nested/main.tf b/config/test-fixtures/validate-var-nested/main.tf
new file mode 100644
index 0000000000..a3d64647b1
--- /dev/null
+++ b/config/test-fixtures/validate-var-nested/main.tf
@@ -0,0 +1,6 @@
+variable "foo" {
+  default = [["foo", "bar"]]
+}
+variable "bar" {
+  default = [{foo = "bar"}]
+}