diff --git a/tests/auto/debugger/tst_dumpers.cpp b/tests/auto/debugger/tst_dumpers.cpp
index 5fd4e09ab0b..eba1907fa84 100644
--- a/tests/auto/debugger/tst_dumpers.cpp
+++ b/tests/auto/debugger/tst_dumpers.cpp
@@ -1307,10 +1307,16 @@ void tst_Dumpers::dumper()
             "\n\n" + data.includes +
             "\n\n" + (data.useQHash ?
                 "\n#include <QByteArray>"
-                "\n#if QT_VERSION >= 0x050000"
+                "\n#if QT_VERSION >= 0x050900"
+                "\n#include <QHash>"
+                "\nvoid initHashSeed() { qSetGlobalQHashSeed(0); }"
+                "\n#elif QT_VERSION >= 0x050000"
                 "\nQT_BEGIN_NAMESPACE"
                 "\nQ_CORE_EXPORT extern QBasicAtomicInt qt_qhash_seed; // from qhash.cpp"
                 "\nQT_END_NAMESPACE"
+                "\nvoid initHashSeed() { qt_qhash_seed.store(0); }"
+                "\n#else"
+                "\nvoid initHashSeed() {}"
                 "\n#endif" : "") +
             "\n\nint main(int argc, char *argv[])"
             "\n{"
@@ -1332,10 +1338,7 @@ void tst_Dumpers::dumper()
             "\n#else"
             "\n    int boostversion = 0; unused(&boostversion);"
             "\n#endif"
-            "\n" + (data.useQHash ?
-                "\n#if QT_VERSION >= 0x050000"
-                "\nqt_qhash_seed.store(0);"
-                "\n#endif\n" : "") +
+            "\n" + (data.useQHash ? "initHashSeed();" : "") +
             "\n" + data.code +
             "\n    BREAK;"
             "\n    return 0;"