diff --git a/unittests/test_issues.py b/unittests/test_issues.py
index f123fb822c8cbc8d4bef14c3e6f9671a7aa429db..7e54af3affdcb79a8b48ba99b7d3989657f6b3d8 100644
--- a/unittests/test_issues.py
+++ b/unittests/test_issues.py
@@ -122,5 +122,9 @@ def test_issue_93():
     ]
     for exp in expressions:
         values[exp] = f"This is {exp}"
+    # With braces
+    for exp in expressions:
+        assert replace_variables(f"${{{exp}}}", values) == f"This is {exp}"
+    # Without braces
     for exp in expressions:
         assert replace_variables(f"${exp}", values) == f"This is {exp}"