diff --git a/src/plugins/languageclient/client.cpp b/src/plugins/languageclient/client.cpp
index 2f01115d4bf..dc49f17a477 100644
--- a/src/plugins/languageclient/client.cpp
+++ b/src/plugins/languageclient/client.cpp
@@ -589,6 +589,15 @@ bool Client::documentOpen(const TextEditor::TextDocument *document) const
     return m_openedDocument.contains(const_cast<TextEditor::TextDocument *>(document));
 }
 
+TextEditor::TextDocument *Client::documentForFilePath(const Utils::FilePath &file) const
+{
+    for (auto it = m_openedDocument.cbegin(); it != m_openedDocument.cend(); ++it) {
+        if (it.key()->filePath() == file)
+            return it.key();
+    }
+    return nullptr;
+}
+
 void Client::documentContentsSaved(TextEditor::TextDocument *document)
 {
     if (!m_openedDocument.contains(document))
diff --git a/src/plugins/languageclient/client.h b/src/plugins/languageclient/client.h
index 0c17be217f3..f9a46176814 100644
--- a/src/plugins/languageclient/client.h
+++ b/src/plugins/languageclient/client.h
@@ -136,6 +136,7 @@ public:
     void activateDocument(TextEditor::TextDocument *document);
     void deactivateDocument(TextEditor::TextDocument *document);
     bool documentOpen(const TextEditor::TextDocument *document) const;
+    TextEditor::TextDocument *documentForFilePath(const Utils::FilePath &file) const;
     void documentContentsSaved(TextEditor::TextDocument *document);
     void documentWillSave(Core::IDocument *document);
     void documentContentsChanged(TextEditor::TextDocument *document,