diff --git a/test/testpreprocessor.cpp b/test/testpreprocessor.cpp
index 4e1f398ff..ce16be567 100644
--- a/test/testpreprocessor.cpp
+++ b/test/testpreprocessor.cpp
@@ -3863,11 +3863,11 @@ private:
         // #ifdef A
         // a |= A;  // <- using macro. must use -D so "A" will get a proper value
         errout.str("");
-		Settings settings1;
-		settings = settings1;
+        Settings settings1;
+        settings = settings1;
         ASSERT_EQUALS("", preprocessor.getcode("if (x) a|=A;", "A", "test.c"));
         ASSERT_EQUALS("", errout.str());
-		settings.addEnabled("information");
+        settings.addEnabled("information");
         ASSERT_EQUALS("", preprocessor.getcode("if (x) a|=A;", "A", "test.c"));
         ASSERT_EQUALS("[test.c:1]: (information) Skipping configuration 'A' since the value of 'A' is unknown. Use -D if you want to check it. You can use -U to skip it explicitly.\n", errout.str());
     }