diff --git a/src/app/editor/assembly_editor.cc b/src/app/editor/assembly_editor.cc
index 65499ab6..f8391924 100644
--- a/src/app/editor/assembly_editor.cc
+++ b/src/app/editor/assembly_editor.cc
@@ -1,11 +1,17 @@
 #include "assembly_editor.h"
 
 #include "core/constants.h"
+#include "gui/widgets.h"
 
 namespace yaze {
 namespace app {
 namespace editor {
 
+AssemblyEditor::AssemblyEditor() {
+  text_editor_.SetLanguageDefinition(gui::widgets::GetAssemblyLanguageDef());
+  text_editor_.SetPalette(TextEditor::GetDarkPalette());
+}
+
 void AssemblyEditor::Update() {
   auto cpos = text_editor_.GetCursorPosition();
   ImGui::Begin("ASM Editor", &file_is_loaded_, ImGuiWindowFlags_MenuBar);
diff --git a/src/app/editor/assembly_editor.h b/src/app/editor/assembly_editor.h
index a9b24991..81135b40 100644
--- a/src/app/editor/assembly_editor.h
+++ b/src/app/editor/assembly_editor.h
@@ -14,7 +14,7 @@ namespace editor {
 
 class AssemblyEditor {
  public:
-  AssemblyEditor() = default;
+  AssemblyEditor();
 
   void Update();
   void ChangeActiveFile(const std::string &);