diff --git a/tests/test_fmt_helper.cpp b/tests/test_fmt_helper.cpp
index 6972d2d2..dde5d482 100644
--- a/tests/test_fmt_helper.cpp
+++ b/tests/test_fmt_helper.cpp
@@ -10,7 +10,7 @@ void test_pad2(int n, const char *expected)
     spdlog::details::fmt_helper::pad2(n, buf);
 
 #ifdef SPDLOG_USE_STD_FORMAT
-    REQUIRE(formatted == expected);
+    REQUIRE(buf == expected);
 #else
     REQUIRE(fmt::to_string(buf) == expected);
 #endif
@@ -22,7 +22,7 @@ void test_pad3(uint32_t n, const char *expected)
     spdlog::details::fmt_helper::pad3(n, buf);
 
 #ifdef SPDLOG_USE_STD_FORMAT
-    REQUIRE(formatted == expected);
+    REQUIRE(buf == expected);
 #else
     REQUIRE(fmt::to_string(buf) == expected);
 #endif
@@ -34,7 +34,7 @@ void test_pad6(std::size_t n, const char *expected)
     spdlog::details::fmt_helper::pad6(n, buf);
 
 #ifdef SPDLOG_USE_STD_FORMAT
-    REQUIRE(formatted == expected);
+    REQUIRE(buf == expected);
 #else
     REQUIRE(fmt::to_string(buf) == expected);
 #endif
@@ -46,7 +46,7 @@ void test_pad9(std::size_t n, const char *expected)
     spdlog::details::fmt_helper::pad9(n, buf);
 
 #ifdef SPDLOG_USE_STD_FORMAT
-    REQUIRE(formatted == expected);
+    REQUIRE(buf == expected);
 #else
     REQUIRE(fmt::to_string(buf) == expected);
 #endif