diff --git a/Userland/Libraries/LibGfx/BitmapFont.h b/Userland/Libraries/LibGfx/BitmapFont.h
index c62807a4ad..4fab8edc27 100644
--- a/Userland/Libraries/LibGfx/BitmapFont.h
+++ b/Userland/Libraries/LibGfx/BitmapFont.h
@@ -107,7 +107,7 @@ public:
         m_glyph_widths[ch] = width;
     }
 
-    int glyph_count() const { return m_glyph_count; }
+    size_t glyph_count() const { return m_glyph_count; }
 
     FontTypes type() { return m_type; }
     void set_type(FontTypes type);
diff --git a/Userland/Libraries/LibGfx/Font.h b/Userland/Libraries/LibGfx/Font.h
index f074dd1e2e..30b43be563 100644
--- a/Userland/Libraries/LibGfx/Font.h
+++ b/Userland/Libraries/LibGfx/Font.h
@@ -134,7 +134,7 @@ public:
 
     virtual u8 glyph_spacing() const = 0;
 
-    virtual int glyph_count() const = 0;
+    virtual size_t glyph_count() const = 0;
 
     virtual String family() const = 0;
     virtual String variant() const = 0;
diff --git a/Userland/Libraries/LibTTF/Font.h b/Userland/Libraries/LibTTF/Font.h
index 21b44da7e8..b23067b2f6 100644
--- a/Userland/Libraries/LibTTF/Font.h
+++ b/Userland/Libraries/LibTTF/Font.h
@@ -156,7 +156,7 @@ public:
     virtual String name() const override { return String::formatted("{} {}", family(), variant()); }
     virtual bool is_fixed_width() const override { return m_font->is_fixed_width(); }
     virtual u8 glyph_spacing() const override { return m_x_scale; } // FIXME: Read from font
-    virtual int glyph_count() const override { return m_font->glyph_count(); }
+    virtual size_t glyph_count() const override { return m_font->glyph_count(); }
     virtual String family() const override { return m_font->family(); }
     virtual String variant() const override { return m_font->variant(); }
     virtual String qualified_name() const override { return String::formatted("{} {} {}", family(), presentation_size(), weight()); }