diff --git a/formatters/astyle/astyle_plugin.cpp b/formatters/astyle/astyle_plugin.cpp
--- a/formatters/astyle/astyle_plugin.cpp
+++ b/formatters/astyle/astyle_plugin.cpp
@@ -88,7 +88,8 @@
 
 QString AStylePlugin::formatSource(const QString& text, const QUrl &url, const QMimeType& mime, const QString& leftContext, const QString& rightContext)
 {
-    return formatSourceWithStyle( ICore::self()->sourceFormatterController()->styleForMimeType( mime ), text, url, mime, leftContext, rightContext );
+    auto style = ICore::self()->sourceFormatterController()->styleForUrl(url, mime);
+    return formatSourceWithStyle(style, text, url, mime, leftContext, rightContext);
 }
 
 static SourceFormatterStyle::MimeList supportedMimeTypes()
diff --git a/formatters/customscript/customscript_plugin.cpp b/formatters/customscript/customscript_plugin.cpp
--- a/formatters/customscript/customscript_plugin.cpp
+++ b/formatters/customscript/customscript_plugin.cpp
@@ -203,7 +203,8 @@
 
 QString CustomScriptPlugin::formatSource(const QString& text, const QUrl& url, const QMimeType& mime, const QString& leftContext, const QString& rightContext)
 {
-    return formatSourceWithStyle(KDevelop::ICore::self()->sourceFormatterController()->styleForMimeType(mime), text, url, mime, leftContext, rightContext);
+	auto style = KDevelop::ICore::self()->sourceFormatterController()->styleForUrl(url, mime);
+    return formatSourceWithStyle(style, text, url, mime, leftContext, rightContext);
 }
 
 static QList<SourceFormatterStyle> stylesFromLanguagePlugins()
diff --git a/languages/clang/codegen/sourcemanipulation.cpp b/languages/clang/codegen/sourcemanipulation.cpp
--- a/languages/clang/codegen/sourcemanipulation.cpp
+++ b/languages/clang/codegen/sourcemanipulation.cpp
@@ -250,11 +250,12 @@
     int line = findInsertionPoint();
 
     decl = QStringLiteral("\n\n") + applySubScope(decl);
+    const auto url = declaration->url().toUrl();
     QMimeDatabase db;
-    QMimeType mime = db.mimeTypeForFile(declaration->url().str());
-    auto i = ICore::self()->sourceFormatterController()->formatterForMimeType(mime);
+    QMimeType mime = db.mimeTypeForUrl(url);
+    auto i = ICore::self()->sourceFormatterController()->formatterForUrl(url, mime);
     if (i) {
-        decl = i->formatSource(decl, declaration->url().toUrl(), mime);
+        decl = i->formatSource(decl, url, mime);
     }
 
     return m_changeSet.addChange(DocumentChange(m_context->url(), insertionRange(line), QString(), decl));