diff --git a/autotests/extractorcollectiontest.cpp b/autotests/extractorcollectiontest.cpp
--- a/autotests/extractorcollectiontest.cpp
+++ b/autotests/extractorcollectiontest.cpp
@@ -39,6 +39,19 @@
         QVERIFY(collection.fetchExtractors("unknown/mimetype").isEmpty());
         QVERIFY(!collection.fetchExtractors("text/plain").isEmpty());
     }
+
+    void testMultipleExtractorCollections()
+    {
+        QCoreApplication::setLibraryPaths({QCoreApplication::applicationDirPath()});
+        ExtractorCollection collection;
+        QVERIFY(collection.fetchExtractors("unknown/mimetype").isEmpty());
+        QVERIFY(!collection.fetchExtractors("text/plain").isEmpty());
+        ExtractorCollection collection2;
+        QVERIFY(collection.fetchExtractors("unknown/mimetype").isEmpty());
+        QVERIFY(!collection.fetchExtractors("text/plain").isEmpty());
+        QVERIFY(collection2.fetchExtractors("unknown/mimetype").isEmpty());
+        QVERIFY(!collection2.fetchExtractors("text/plain").isEmpty());
+    }
 };
 
 QTEST_GUILESS_MAIN(ExtractorCollectionTest)
diff --git a/src/extractor.h b/src/extractor.h
--- a/src/extractor.h
+++ b/src/extractor.h
@@ -33,6 +33,10 @@
 class KFILEMETADATA_EXPORT Extractor
 {
 public:
+    Extractor(Extractor &&other);
+
+    void operator =(Extractor &&other);
+
     virtual ~Extractor();
 
     void extract(ExtractionResult* result);
diff --git a/src/extractor.cpp b/src/extractor.cpp
--- a/src/extractor.cpp
+++ b/src/extractor.cpp
@@ -29,9 +29,34 @@
 {
 }
 
+Extractor::Extractor(Extractor &&other) : d(other.d)
+{
+    other.d = nullptr;
+}
+
+void Extractor::operator =(Extractor &&other)
+{
+    if (d) {
+        if (d->m_pluginLoader.isLoaded()) {
+            d->m_pluginLoader.unload();
+        } else {
+            delete d->m_plugin;
+        }
+    }
+    delete d;
+    d = other.d;
+    other.d = nullptr;
+}
+
 Extractor::~Extractor()
 {
-    delete d->m_plugin;
+    if (d) {
+        if (d->m_pluginLoader.isLoaded()) {
+            d->m_pluginLoader.unload();
+        } else {
+            delete d->m_plugin;
+        }
+    }
     delete d;
 }
 
diff --git a/src/extractor_p.h b/src/extractor_p.h
--- a/src/extractor_p.h
+++ b/src/extractor_p.h
@@ -21,14 +21,18 @@
 #ifndef KFILEMETADATA_EXTRACTOR_P_H
 #define KFILEMETADATA_EXTRACTOR_P_H
 
+#include <QPluginLoader>
+
 namespace KFileMetaData {
 
 class ExtractorPlugin;
 
 class ExtractorPrivate
 {
 public:
     ExtractorPlugin *m_plugin;
+
+    QPluginLoader m_pluginLoader;
 };
 
 }
diff --git a/src/extractorcollection.cpp b/src/extractorcollection.cpp
--- a/src/extractorcollection.cpp
+++ b/src/extractorcollection.cpp
@@ -107,19 +107,20 @@
 
     QList<Extractor*> extractors;
     Q_FOREACH (const QString& pluginPath, pluginPaths) {
-        QPluginLoader loader(pluginPath);
+        Extractor newExtractor;
+        newExtractor.d->m_pluginLoader.setFileName(pluginPath);
 
-        if (!loader.load()) {
+        if (!newExtractor.d->m_pluginLoader.load()) {
             qWarning() << "Could not create Extractor: " << pluginPath;
-            qWarning() << loader.errorString();
+            qWarning() << newExtractor.d->m_pluginLoader.errorString();
             continue;
         }
 
-        QObject* obj = loader.instance();
+        QObject* obj = newExtractor.d->m_pluginLoader.instance();
         if (obj) {
             ExtractorPlugin* plugin = qobject_cast<ExtractorPlugin*>(obj);
             if (plugin) {
-                Extractor* ex= new Extractor;
+                Extractor* ex= new Extractor(std::move(newExtractor));
                 ex->d->m_plugin = plugin;
 
                 extractors << ex;