diff --git a/sass-spec/spec/libsass-todo-issues/issue_1021/expected_output.css b/sass-spec/spec/libsass-todo-issues/issue_1021/expected_output.css
new file mode 100644
index 0000000000..81ee08da60
--- /dev/null
+++ b/sass-spec/spec/libsass-todo-issues/issue_1021/expected_output.css
@@ -0,0 +1,3 @@
+div {
+    top: 10px - 2 * 5px /* arrow size */;
+}
\ No newline at end of file
diff --git a/sass-spec/spec/libsass-todo-issues/issue_1021/input.scss b/sass-spec/spec/libsass-todo-issues/issue_1021/input.scss
new file mode 100644
index 0000000000..81ee08da60
--- /dev/null
+++ b/sass-spec/spec/libsass-todo-issues/issue_1021/input.scss
@@ -0,0 +1,3 @@
+div {
+    top: 10px - 2 * 5px /* arrow size */;
+}
\ No newline at end of file