diff --git a/autotests/ffmpegextractortest.h b/autotests/ffmpegextractortest.h
--- a/autotests/ffmpegextractortest.h
+++ b/autotests/ffmpegextractortest.h
@@ -21,6 +21,7 @@
 #define FFMPEGEXTRACTORTEST_H
 
 #include <QObject>
+#include <QMimeDatabase>
 
 class ffmpegExtractorTest : public QObject
 {
@@ -31,6 +32,9 @@
     void testVideoProperties_data();
     void testMetaData();
     void testMetaData_data();
+
+private:
+    QMimeDatabase mimeDb;
 };
 
 #endif // FFMPEGEXTRACTORTEST_H
diff --git a/autotests/ffmpegextractortest.cpp b/autotests/ffmpegextractortest.cpp
--- a/autotests/ffmpegextractortest.cpp
+++ b/autotests/ffmpegextractortest.cpp
@@ -21,8 +21,10 @@
 #include "simpleextractionresult.h"
 #include "indexerextractortestsconfig.h"
 #include "extractors/ffmpegextractor.h"
+#include "mimeutils.h"
 
 #include <QTest>
+//#include <QDebug>
 
 using namespace KFileMetaData;
 
@@ -39,34 +41,33 @@
 void ffmpegExtractorTest::testVideoProperties_data()
 {
     QTest::addColumn<QString>("fileType");
-    QTest::addColumn<QString>("mimeType");
 
     QTest::addRow("WebM")
-        << QStringLiteral("webm")
-        << QStringLiteral("video/webm");
+        << QStringLiteral("webm");
 
     QTest::addRow("Matroska Video")
-        << QStringLiteral("mkv")
-        << QStringLiteral("video/x-matroska");
+        << QStringLiteral("mkv");
 
     QTest::addRow("Vorbis Video")
-        << QStringLiteral("ogv")
-        << QStringLiteral("video/ogg");
+        << QStringLiteral("ogv");
 
     QTest::addRow("MPEG Transport")
-        << QStringLiteral("ts")
-        << QStringLiteral("video/mp2t");
+        << QStringLiteral("ts");
 }
 
 // only for testing of intrinsic video properties
 void ffmpegExtractorTest::testVideoProperties()
 {
     QFETCH(QString, fileType);
-    QFETCH(QString, mimeType);
+
+    QString fileName = testFilePath(QStringLiteral("test"), fileType);
+    QString mimeType = MimeUtils::strictMimeType(fileName, mimeDb).name();
 
     FFmpegExtractor plugin{this};
 
-    SimpleExtractionResult result(testFilePath(QLatin1String("test"), fileType), mimeType);
+    QVERIFY(plugin.mimetypes().contains(mimeType));
+
+    SimpleExtractionResult result(fileName, mimeType);
     plugin.extract(&result);
 
     QCOMPARE(result.types().size(), 1);
@@ -81,29 +82,27 @@
 void ffmpegExtractorTest::testMetaData_data()
 {
     QTest::addColumn<QString>("fileType");
-    QTest::addColumn<QString>("mimeType");
 
     QTest::addRow("WebM")
-        << QStringLiteral("webm")
-        << QStringLiteral("video/webm");
+        << QStringLiteral("webm");
 
     QTest::addRow("Matroska Video")
-        << QStringLiteral("mkv")
-        << QStringLiteral("video/x-matroska");
+        << QStringLiteral("mkv");
 
     QTest::addRow("Vorbis Video")
-        << QStringLiteral("ogv")
-        << QStringLiteral("video/ogg");
+        << QStringLiteral("ogv");
 }
 
 void ffmpegExtractorTest::testMetaData()
 {
     QFETCH(QString, fileType);
-    QFETCH(QString, mimeType);
+
+    QString fileName = testFilePath(QStringLiteral("test"), fileType);
+    QString mimeType = MimeUtils::strictMimeType(fileName, mimeDb).name();
 
     FFmpegExtractor plugin{this};
 
-    SimpleExtractionResult result(testFilePath(QLatin1String("test"), fileType), mimeType);
+    SimpleExtractionResult result(fileName, mimeType);
     plugin.extract(&result);
 
     QEXPECT_FAIL("Vorbis Video", "Not yet supported", Abort);
diff --git a/src/extractors/ffmpegextractor.cpp b/src/extractors/ffmpegextractor.cpp
--- a/src/extractors/ffmpegextractor.cpp
+++ b/src/extractors/ffmpegextractor.cpp
@@ -61,6 +61,7 @@
     QStringLiteral("video/x-ms-wmv"),
     QStringLiteral("video/x-ms-asf"),
     QStringLiteral("video/x-msvideo"),
+    QStringLiteral("video/x-theora+ogg"),
 };
 
 QStringList FFmpegExtractor::mimetypes() const
diff --git a/src/extractors/ffmpegextractor.json b/src/extractors/ffmpegextractor.json
--- a/src/extractors/ffmpegextractor.json
+++ b/src/extractors/ffmpegextractor.json
@@ -2,17 +2,18 @@
     "Name" : "FFMpegExtractor",
     "Id" :   "org.kde.ffmpegextractor",
     "MimeTypes" : {
-        "video/mp4"        : { "Version" : "0.0" },
-        "video/mpeg"       : { "Version" : "0.0" },
-        "video/mp2t"       : { "Version" : "0.0" },
-        "video/ogg"        : { "Version" : "0.0" },
-        "video/quicktime"  : { "Version" : "0.0" },
-        "video/webm"       : { "Version" : "0.0" },
-        "video/x-flv"      : { "Version" : "0.0" },
-        "video/x-matroska" : { "Version" : "0.0" },
-        "video/x-ms-wmv"   : { "Version" : "0.0" },
-        "video/x-ms-asf"   : { "Version" : "0.0" },
-        "video/x-msvideo"  : { "Version" : "0.0" }
+        "video/mp4"             : { "Version" : "0.0" },
+        "video/mpeg"            : { "Version" : "0.0" },
+        "video/mp2t"            : { "Version" : "0.0" },
+        "video/ogg"             : { "Version" : "0.0" },
+        "video/quicktime"       : { "Version" : "0.0" },
+        "video/webm"            : { "Version" : "0.0" },
+        "video/x-flv"           : { "Version" : "0.0" },
+        "video/x-matroska"      : { "Version" : "0.0" },
+        "video/x-ms-wmv"        : { "Version" : "0.0" },
+        "video/x-ms-asf"        : { "Version" : "0.0" },
+        "video/x-msvideo"       : { "Version" : "0.0" },
+        "video/x-theora+ogg"    : { "Version" : "0.0" }
     }
 }