diff --git a/GUI/extensions.cpp b/GUI/extensions.cpp
index 8a3936a..5d94329 100644
--- a/GUI/extensions.cpp
+++ b/GUI/extensions.cpp
@@ -36,8 +36,9 @@ std::wstring DispatchSentenceToExtensions(std::wstring sentence, std::unordered_
 {
 	while (processing < 0) Sleep(10);
 	processing++;
-	wchar_t* sentenceBuffer = new wchar_t[sentence.size() + 1];
-	wcscpy(sentenceBuffer, sentence.c_str());
+	wchar_t* sentenceOrigBuffer = new wchar_t[sentence.size() + 1];
+	wcscpy(sentenceOrigBuffer, sentence.c_str());
+	const wchar_t* sentenceBuffer = sentenceOrigBuffer;
 	InfoForExtension* miscInfoLinkedList = new InfoForExtension;
 	InfoForExtension* miscInfoTraverser = miscInfoLinkedList;
 	for (auto i : miscInfo)
diff --git a/GUI/extensions.h b/GUI/extensions.h
index 12f8a8f..d668839 100644
--- a/GUI/extensions.h
+++ b/GUI/extensions.h
@@ -16,7 +16,7 @@ struct InfoForExtension
 	int propertyValue;
 	InfoForExtension* nextProperty;
 };
-typedef wchar_t*(*ExtensionFunction)(wchar_t*, InfoForExtension*);
+typedef const wchar_t*(*ExtensionFunction)(const wchar_t*, InfoForExtension*);
 extern QComboBox* ttCombo;
 
 #endif // EXTENSIONS_H