diff --git a/questions/5_scalar-multiplication-of-a-matrix/tests.json b/questions/5_scalar-multiplication-of-a-matrix/tests.json
index a861350c..625eca56 100644
--- a/questions/5_scalar-multiplication-of-a-matrix/tests.json
+++ b/questions/5_scalar-multiplication-of-a-matrix/tests.json
@@ -1,4 +1,8 @@
 [
+  {
+    "test": "print(scalar_multiply([], 2))",
+    "expected_output": "[]"
+  },
   {
     "test": "print(scalar_multiply([[1,2],[3,4]], 2))",
     "expected_output": "[[2, 4], [6, 8]]"