diff --git a/share/qtcreator/templates/wizards/classes/qtquickui/wizard.json b/share/qtcreator/templates/wizards/classes/qtquickui/wizard.json
index 08de27a95e4..208106e3df8 100644
--- a/share/qtcreator/templates/wizards/classes/qtquickui/wizard.json
+++ b/share/qtcreator/templates/wizards/classes/qtquickui/wizard.json
@@ -10,7 +10,7 @@
     "featuresRequired": [ "Plugin.QmlJSEditor", "QtSupport.Wizards.FeatureQtQuick.UiFiles" ],
 
     "options" : [
-        { "key": "QmlFile", "value": "%{Class}.%{JS: Util.preferredSuffix('application/x-qml')}" },
+        { "key": "QmlFile", "value": "%{Class}.%{JS: Util.preferredSuffix('text/x-qml')}" },
         { "key": "UiFile", "value": "%{FormClass}.%{JS: Util.preferredSuffix('application/x-qt.ui+qml')}" }
     ],
 
diff --git a/share/qtcreator/templates/wizards/files/qtquick1/wizard.json b/share/qtcreator/templates/wizards/files/qtquick1/wizard.json
index f839ac95b88..2c4fed3e84c 100644
--- a/share/qtcreator/templates/wizards/files/qtquick1/wizard.json
+++ b/share/qtcreator/templates/wizards/files/qtquick1/wizard.json
@@ -29,7 +29,7 @@
             "data":
             {
                 "source": "file.qml",
-                "target": "%{JS: Util.fileName('%{TargetPath}', '%{JS: Util.preferredSuffix('application/x-qml')}')}",
+                "target": "%{JS: Util.fileName('%{TargetPath}', '%{JS: Util.preferredSuffix('text/x-qml')}')}",
                 "openInEditor": true
             }
         }
diff --git a/share/qtcreator/templates/wizards/files/qtquick2/wizard.json b/share/qtcreator/templates/wizards/files/qtquick2/wizard.json
index 6eee0fe2414..a627143a5ed 100644
--- a/share/qtcreator/templates/wizards/files/qtquick2/wizard.json
+++ b/share/qtcreator/templates/wizards/files/qtquick2/wizard.json
@@ -29,7 +29,7 @@
             "data":
             {
                 "source": "file.qml",
-                "target": "%{JS: Util.fileName('%{TargetPath}', '%{JS: Util.preferredSuffix('application/x-qml')}')}",
+                "target": "%{JS: Util.fileName('%{TargetPath}', '%{JS: Util.preferredSuffix('text/x-qml')}')}",
                 "openInEditor": true
             }
         }
diff --git a/src/plugins/projectexplorer/projectexplorerconstants.h b/src/plugins/projectexplorer/projectexplorerconstants.h
index 37818e8fb68..562713dddf6 100644
--- a/src/plugins/projectexplorer/projectexplorerconstants.h
+++ b/src/plugins/projectexplorer/projectexplorerconstants.h
@@ -173,7 +173,7 @@ const char CPP_SOURCE_MIMETYPE[]  = "text/x-c++src";
 const char CPP_HEADER_MIMETYPE[]  = "text/x-c++hdr";
 const char LINGUIST_MIMETYPE[]    = "text/vnd.trolltech.linguist";
 const char FORM_MIMETYPE[]        = "application/x-designer";
-const char QML_MIMETYPE[]         = "application/x-qml"; // separate def also in qmljstoolsconstants.h
+const char QML_MIMETYPE[]         = "text/x-qml"; // separate def also in qmljstoolsconstants.h
 const char RESOURCE_MIMETYPE[]    = "application/vnd.qt.xml.resource";
 
 // Settings page
diff --git a/src/plugins/qmljstools/QmlJSTools.mimetypes.xml b/src/plugins/qmljstools/QmlJSTools.mimetypes.xml
index e92b7735423..575e3c6b1cb 100644
--- a/src/plugins/qmljstools/QmlJSTools.mimetypes.xml
+++ b/src/plugins/qmljstools/QmlJSTools.mimetypes.xml
@@ -1,32 +1,33 @@
 <?xml version="1.0"?>
 <mime-info xmlns='http://www.freedesktop.org/standards/shared-mime-info'>
-    <mime-type type="application/x-qml">
-        <alias type="text/x-qml"/>
+    <mime-type type="text/x-qml">
+        <alias type="application/x-qml"/>
+        <!-- sub class is missing in the freedesktop.org definition -->
         <sub-class-of type="text/plain"/>
         <comment>QML file</comment>
         <glob pattern="*.qml"/>
     </mime-type>
     <mime-type type="application/x-qt.qbs+qml">
         <alias type="text/x-qt.qbs+qml"/>
-        <sub-class-of type="application/x-qml"/>
+        <sub-class-of type="text/x-qml"/>
         <comment>Qt Build Suite file</comment>
         <glob pattern="*.qbs"/>
     </mime-type>
     <mime-type type="application/x-qt.ui+qml">
         <alias type="text/x-qt.ui+qml"/>
-        <sub-class-of type="application/x-qml"/>
+        <sub-class-of type="text/x-qml"/>
         <comment>QtQuick Designer ui file</comment>
         <glob pattern="*.ui.qml"/>
     </mime-type>
     <mime-type type="application/x-qmlproject">
         <alias type="text/x-qmlproject"/>
-        <sub-class-of type="application/x-qml"/>
+        <sub-class-of type="text/x-qml"/>
         <comment>Qt Creator Qt UI project file</comment>
         <glob pattern="*.qmlproject"/>
     </mime-type>
     <mime-type type="application/x-qt.meta-info+qml">
         <alias type="text/x-qt.meta-info+qml"/>
-        <sub-class-of type="application/x-qml"/>
+        <sub-class-of type="text/x-qml"/>
         <comment>QML file</comment>
         <glob pattern="*.qmltypes"/>
     </mime-type>
diff --git a/src/plugins/qmljstools/qmljstoolsconstants.h b/src/plugins/qmljstools/qmljstoolsconstants.h
index ce1d1f3b44f..7570b3f0e46 100644
--- a/src/plugins/qmljstools/qmljstoolsconstants.h
+++ b/src/plugins/qmljstools/qmljstoolsconstants.h
@@ -36,7 +36,7 @@
 namespace QmlJSTools {
 namespace Constants {
 
-const char QML_MIMETYPE[] = "application/x-qml"; // separate def also in projectexplorerconstants.h
+const char QML_MIMETYPE[] = "text/x-qml"; // separate def also in projectexplorerconstants.h
 const char QBS_MIMETYPE[] = "application/x-qt.qbs+qml";
 const char QMLPROJECT_MIMETYPE[] = "application/x-qmlproject";
 const char QMLTYPES_MIMETYPE[] = "application/x-qt.meta-info+qml";
diff --git a/src/plugins/qmlprojectmanager/QmlProjectManager.mimetypes.xml b/src/plugins/qmlprojectmanager/QmlProjectManager.mimetypes.xml
index 0149926c129..812d1cb8797 100644
--- a/src/plugins/qmlprojectmanager/QmlProjectManager.mimetypes.xml
+++ b/src/plugins/qmlprojectmanager/QmlProjectManager.mimetypes.xml
@@ -2,7 +2,7 @@
 
 <mime-info xmlns='http://www.freedesktop.org/standards/shared-mime-info'>
   <mime-type type="application/x-qmlproject">
-    <sub-class-of type="application/x-qml"/>
+    <sub-class-of type="text/x-qml"/>
     <comment>QML Project file</comment>
     <glob pattern="*.qmlproject"/>
   </mime-type>
diff --git a/src/plugins/qmlprojectmanager/qmlprojectrunconfiguration.cpp b/src/plugins/qmlprojectmanager/qmlprojectrunconfiguration.cpp
index 5ba76147cef..3da719d53b1 100644
--- a/src/plugins/qmlprojectmanager/qmlprojectrunconfiguration.cpp
+++ b/src/plugins/qmlprojectmanager/qmlprojectrunconfiguration.cpp
@@ -269,7 +269,7 @@ void QmlProjectRunConfiguration::updateEnabled()
         IDocument *document = EditorManager::currentDocument();
         if (document) {
             m_currentFileFilename = document->filePath().toString();
-            if (mdb.mimeTypeForFile(mainScript()).matchesName(QLatin1String("application/x-qml")))
+            if (mdb.mimeTypeForFile(mainScript()).matchesName(QLatin1String("text/x-qml")))
                 qmlFileFound = true;
         }
         if (!document
@@ -280,7 +280,7 @@ void QmlProjectRunConfiguration::updateEnabled()
                 const QFileInfo fi(filename);
 
                 if (!filename.isEmpty() && fi.baseName()[0].isLower()
-                        && mdb.mimeTypeForFile(fi).matchesName(QLatin1String("application/x-qml")))
+                        && mdb.mimeTypeForFile(fi).matchesName(QLatin1String("text/x-qml")))
                 {
                     m_currentFileFilename = filename;
                     qmlFileFound = true;