diff --git a/src/plugins/compilationdatabaseprojectmanager/compilationdbparser.cpp b/src/plugins/compilationdatabaseprojectmanager/compilationdbparser.cpp
index 1505dffa1a7..7b498ab957d 100644
--- a/src/plugins/compilationdatabaseprojectmanager/compilationdbparser.cpp
+++ b/src/plugins/compilationdatabaseprojectmanager/compilationdbparser.cpp
@@ -170,7 +170,7 @@ static FilePath jsonObjectFilename(const QJsonObject &object)
     const QString workingDir = QDir::fromNativeSeparators(object["directory"].toString());
     FilePath fileName = FilePath::fromString(QDir::fromNativeSeparators(object["file"].toString()));
     if (fileName.toFileInfo().isRelative())
-        fileName = FilePath::fromString(workingDir + "/" + fileName.toString()).canonicalPath();
+        fileName = FilePath::fromString(QDir::cleanPath(workingDir + "/" + fileName.toString()));
     return fileName;
 }