1 files changed, 6 insertions, 0 deletions
diff --git a/src/plugins/qmlpreview/qmlpreviewruncontrol.cpp b/src/plugins/qmlpreview/qmlpreviewruncontrol.cpp
index c513a580f3..f1caffa1a7 100644
--- a/src/plugins/qmlpreview/qmlpreviewruncontrol.cpp
+++ b/src/plugins/qmlpreview/qmlpreviewruncontrol.cpp
@@ -27,6 +27,7 @@
 
 #include <qmlprojectmanager/qmlproject.h>
 #include <qmlprojectmanager/qmlmainfileaspect.h>
+#include <qmlprojectmanager/qmlmultilanguageaspect.h>
 
 #include <projectexplorer/projectexplorer.h>
 #include <projectexplorer/session.h>
@@ -152,6 +153,11 @@ LocalQmlPreviewSupport::LocalQmlPreviewSupport(ProjectExplorer::RunControl *runC
             }
         }
 
+        if (auto multiLanguageAspect = runControl->aspect<QmlProjectManager::QmlMultiLanguageAspect>()) {
+            if (!multiLanguageAspect->databaseFilePath().isEmpty())
+                runnable.environment.set("QT_MULTILANGUAGE_DATABASE", multiLanguageAspect->databaseFilePath().toString());
+        }
+
         Utils::QtcProcess::addArg(&runnable.commandLineArguments,
                                   QmlDebug::qmlDebugLocalArguments(QmlDebug::QmlPreviewServices,
                                                                    serverUrl.path()));