diff --git a/src/framebuffer.hpp b/src/framebuffer.hpp
index c28b9ea..aecb6ff 100644
--- a/src/framebuffer.hpp
+++ b/src/framebuffer.hpp
@@ -1,5 +1,5 @@
-#ifndef FRAMEBUFFER_HPP_
-#define FRAMEBUFFER_HPP_
+#ifndef FAN_FRAMEBUFFER_HPP_
+#define FAN_FRAMEBUFFER_HPP_
 
 #include <glad/gl.h>
 
@@ -45,4 +45,4 @@ private:
 
 } // namespace Fan
 
-#endif // FRAMEBUFFER_HPP_
+#endif // FAN_FRAMEBUFFER_HPP_