diff --git a/src/shared/proparser/profileevaluator.cpp b/src/shared/proparser/profileevaluator.cpp
index c4718c084957a9e68adf00a1d04f5e357677ce88..948ff00cf30f7c65e96495668c30ea1fac55fbbd 100644
--- a/src/shared/proparser/profileevaluator.cpp
+++ b/src/shared/proparser/profileevaluator.cpp
@@ -1139,10 +1139,11 @@ ProItem::ProItemReturn ProFileEvaluator::Private::visitBeginProFile(ProFile * pr
                 }
                 if (!qmake_cache.isEmpty()) {
                     qmake_cache = QDir::cleanPath(qmake_cache);
-                    if (evaluateFileInto(qmake_cache, &m_option->cache_valuemap, 0)) {
+                    QHash<QString, QStringList> cache_valuemap;
+                    if (evaluateFileInto(qmake_cache, &cache_valuemap, 0)) {
                         m_option->cachefile = qmake_cache;
                         if (m_option->qmakespec.isEmpty()) {
-                            const QStringList &vals = m_option->cache_valuemap.value(QLatin1String("QMAKESPEC"));
+                            const QStringList &vals = cache_valuemap.value(QLatin1String("QMAKESPEC"));
                             if (!vals.isEmpty())
                                 m_option->qmakespec = vals.first();
                         }
diff --git a/src/shared/proparser/profileevaluator.h b/src/shared/proparser/profileevaluator.h
index cba159c6b8f1ee9e03924d958933e17100fa3180..691dd78e02b30256c6ee604ab59f1b90c12f2bc6 100644
--- a/src/shared/proparser/profileevaluator.h
+++ b/src/shared/proparser/profileevaluator.h
@@ -88,8 +88,7 @@ public:
         friend class ProFileEvaluator;
         friend class ProFileEvaluator::Private;
         static QString field_sep; // Just a cache for quick construction
-        QHash<QString, QStringList> cache_valuemap; // Cached results of .qmake.cache
-        QHash<QString, QStringList> base_valuemap; // ~ and qmake.conf and default_pre.prf
+        QHash<QString, QStringList> base_valuemap; // Cached results of qmake.conf, .qmake.cache & default_pre.prf
         FunctionDefs base_functions;
         QStringList feature_roots;
     };