diff --git a/tests/auto/debugger/tst_dumpers.cpp b/tests/auto/debugger/tst_dumpers.cpp
index b9ed42aa4b5c18676b031c8c9deb7ea2de7c2d6f..e7050ae1eb8d3af1df8f9518f5991079ec48798d 100644
--- a/tests/auto/debugger/tst_dumpers.cpp
+++ b/tests/auto/debugger/tst_dumpers.cpp
@@ -110,7 +110,9 @@ public:
 
     void testMi(const char* input)
     {
-        QCOMPARE('\n' + QString::fromLatin1(GdbMi(input).toString(false)),
+        GdbMi gdbmi;
+        gdbmi.fromString(QByteArray(input));
+        QCOMPARE('\n' + QString::fromLatin1(gdbmi.toString(false)),
             '\n' + QString(input));
     }