diff --git a/tests/lang/eval-okay-eq.exp b/tests/lang/eval-okay-eq.exp
new file mode 100644
index 0000000000..2015847b65
--- /dev/null
+++ b/tests/lang/eval-okay-eq.exp
@@ -0,0 +1 @@
+Bool(True)
diff --git a/tests/lang/eval-okay-eq.nix b/tests/lang/eval-okay-eq.nix
new file mode 100644
index 0000000000..73d200b381
--- /dev/null
+++ b/tests/lang/eval-okay-eq.nix
@@ -0,0 +1,3 @@
+["foobar" (rec {x = 1; y = x;})]
+==
+[("foo" + "bar") ({x = 1; y = 1;})]