diff --git a/src/file/extractor/result.h b/src/file/extractor/result.h
--- a/src/file/extractor/result.h
+++ b/src/file/extractor/result.h
@@ -28,6 +28,9 @@
 #include "document.h"
 #include "termgenerator.h"
 
+namespace Baloo
+{
+
 class Result : public KFileMetaData::ExtractionResult
 {
 public:
@@ -62,4 +65,5 @@
     QVariantMap m_map;
 };
 
+}
 #endif // EXTRACTIONRESULT_H
diff --git a/src/file/extractor/result.cpp b/src/file/extractor/result.cpp
--- a/src/file/extractor/result.cpp
+++ b/src/file/extractor/result.cpp
@@ -29,6 +29,8 @@
 #include <KFileMetaData/PropertyInfo>
 #include <KFileMetaData/TypeInfo>
 
+using namespace Baloo;
+
 // In order to use it in a vector
 Result::Result()
     : ExtractionResult(QString(), QString())