diff --git a/src/plugins/qt4projectmanager/qt4buildconfiguration.cpp b/src/plugins/qt4projectmanager/qt4buildconfiguration.cpp
index 4951dd14e63..5c9b0302eb0 100644
--- a/src/plugins/qt4projectmanager/qt4buildconfiguration.cpp
+++ b/src/plugins/qt4projectmanager/qt4buildconfiguration.cpp
@@ -752,26 +752,31 @@ BuildConfiguration *Qt4BuildConfigurationFactory::create(ProjectExplorer::Target
         return 0;
 
     //: Debug build configuration. We recommend not translating it.
-    QString defaultDebugName = tr("%1 Debug").arg(version->displayName());
-    QString customDebugName;
+    QString defaultFirstName = tr("%1 Debug").arg(version->displayName());
+    QString customFirstName;
     if (buildConfigurationName != version->displayName())
-        customDebugName = tr("%1 Debug").arg(buildConfigurationName);
-
-    BuildConfiguration *bc = qt4Target->addQt4BuildConfiguration(defaultDebugName, customDebugName,
-                                        version,
-                                        (version->defaultBuildConfig() | QtSupport::BaseQtVersion::DebugBuild),
-                                        QString(), QString(), false);
+        customFirstName = tr("%1 Debug").arg(buildConfigurationName);
 
     //: Release build configuration. We recommend not translating it.
-    QString defaultReleaseName = tr("%1 Release").arg(version->displayName());
-    QString customReleaseName;
+    QString defaultSecondName = tr("%1 Release").arg(version->displayName());
+    QString customSecondName;
     if (buildConfigurationName != version->displayName())
-        customReleaseName = tr("%1 Release").arg(buildConfigurationName);
+        customSecondName = tr("%1 Release").arg(buildConfigurationName);
 
-    bc = qt4Target->addQt4BuildConfiguration(defaultReleaseName, customReleaseName,
-                                             version,
-                                             (version->defaultBuildConfig() & ~QtSupport::BaseQtVersion::DebugBuild),
-                                             QString(), QString(), false);
+    if (!(version->defaultBuildConfig() & QtSupport::BaseQtVersion::DebugBuild)) {
+        qSwap(defaultFirstName, defaultSecondName);
+        qSwap(customFirstName, customSecondName);
+    }
+
+    BuildConfiguration *bc = qt4Target->addQt4BuildConfiguration(defaultFirstName, customFirstName,
+                                        version,
+                                        version->defaultBuildConfig(),
+                                        QString(), QString(), false);
+
+    qt4Target->addQt4BuildConfiguration(defaultSecondName, customSecondName,
+                                        version,
+                                        (version->defaultBuildConfig() ^ QtSupport::BaseQtVersion::DebugBuild),
+                                        QString(), QString(), false);
     return bc;
 }