diff --git a/tests/test-grammar-integration.cpp b/tests/test-grammar-integration.cpp
index 7cafa35b6..baf19e8d7 100644
--- a/tests/test-grammar-integration.cpp
+++ b/tests/test-grammar-integration.cpp
@@ -1330,12 +1330,13 @@ static void test_json_schema() {
         })""",
         // Passing strings
         {
-            R"""({"common": "", "a": "", "b": ""})""",
-            R"""({"common": "", "a": "", "b": "", "d": "", "c": ""})""",
+            R"""({"common": 0, "a": 0, "b": 0})""",
+            R"""({"common": 0, "a": 0, "b": 0, "d": 0, "c": 0})""",
         },
         // Failing strings
         {
             R"""({})""",
+            R"""({"common": "", "a": "", "b": ""})""",
             R"""({"a": "", "b": ""})""",
             R"""({"common": "", "a": "", "b": "", "c": "", "d": ""})""",
         }