diff --git a/test/format-test.cc b/test/format-test.cc
index 03b1f326..f512ef48 100644
--- a/test/format-test.cc
+++ b/test/format-test.cc
@@ -1633,19 +1633,19 @@ TEST(FormatTest, FormatMessageExample) {
 class test_class
 {
 public:
-	std::string format_message(int id, const char *format,const fmt::ArgList &args) const {
-		MemoryWriter w;
-		w.write("[{}] ", id);
-		w.write(format, args);
-		return w.str();
-	}
-	FMT_VARIADIC_CONST(std::string, format_message, int, const char *)
+  std::string format_message(int id, const char *format,const fmt::ArgList &args) const {
+    MemoryWriter w;
+    w.write("[{}] ", id);
+    w.write(format, args);
+    return w.str();
+  }
+  FMT_VARIADIC_CONST(std::string, format_message, int, const char *)
 };
 
 TEST(FormatTest, ConstFormatMessage) {
-	test_class c;
-	EXPECT_EQ("[42] something happened",
-		c.format_message(42, "{} happened", "something"));
+  test_class c;
+  EXPECT_EQ("[42] something happened",
+    c.format_message(42, "{} happened", "something"));
 }
 
 #if FMT_USE_VARIADIC_TEMPLATES