diff --git a/Libraries/LibGUI/Label.cpp b/Libraries/LibGUI/Label.cpp
index aaab033106..687d774e0b 100644
--- a/Libraries/LibGUI/Label.cpp
+++ b/Libraries/LibGUI/Label.cpp
@@ -44,7 +44,7 @@ Label::~Label()
 {
 }
 
-void Label::set_icon(Gfx::Bitmap* icon)
+void Label::set_icon(const Gfx::Bitmap* icon)
 {
     if (m_icon == icon)
         return;
diff --git a/Libraries/LibGUI/Label.h b/Libraries/LibGUI/Label.h
index d0541eccfa..930bfe68bb 100644
--- a/Libraries/LibGUI/Label.h
+++ b/Libraries/LibGUI/Label.h
@@ -39,7 +39,7 @@ public:
     String text() const { return m_text; }
     void set_text(const StringView&);
 
-    void set_icon(Gfx::Bitmap*);
+    void set_icon(const Gfx::Bitmap*);
     const Gfx::Bitmap* icon() const { return m_icon.ptr(); }
     Gfx::Bitmap* icon() { return m_icon.ptr(); }