diff --git a/test/src/unit-ubjson.cpp b/test/src/unit-ubjson.cpp
index e4c060918..bda8224aa 100644
--- a/test/src/unit-ubjson.cpp
+++ b/test/src/unit-ubjson.cpp
@@ -89,22 +89,19 @@ TEST_CASE("UBJSON")
                 {
                     std::vector<int64_t> numbers;
                     numbers.push_back((std::numeric_limits<int64_t>::min)());
-                    numbers.push_back(-1000000000000000000l);
-                    numbers.push_back(-100000000000000000l);
-                    numbers.push_back(-10000000000000000l);
-                    numbers.push_back(-1000000000000000l);
-                    numbers.push_back(-100000000000000l);
-                    numbers.push_back(-10000000000000l);
-                    numbers.push_back(-1000000000000l);
-                    numbers.push_back(-100000000000l);
-                    numbers.push_back(-10000000000l);
-                    numbers.push_back(-2147483649l);
-                    size_t index = 0;
+                    numbers.push_back(-1000000000000000000ll);
+                    numbers.push_back(-100000000000000000ll);
+                    numbers.push_back(-10000000000000000ll);
+                    numbers.push_back(-1000000000000000ll);
+                    numbers.push_back(-100000000000000ll);
+                    numbers.push_back(-10000000000000ll);
+                    numbers.push_back(-1000000000000ll);
+                    numbers.push_back(-100000000000ll);
+                    numbers.push_back(-10000000000ll);
+                    numbers.push_back(-2147483649ll);
                     for (auto i : numbers)
                     {
                         CAPTURE(i);
-                        CAPTURE(index);
-                        ++index;
 
                         // create JSON value with integer number
                         json j = i;