diff --git a/src/main.cc b/src/main.cc
index 9a8b589..92d7945 100644
--- a/src/main.cc
+++ b/src/main.cc
@@ -120,7 +120,7 @@ void        render_model              (const Model &model, const Camera &camera)
 GLuint      create_shader_program     (const std::string &vertex_shader_source, const std::string &fragment_shader_source);
 GLuint      compile_shader            (GLuint type, const std::string &source);
 std::string load_shader               (const std::string &filepath);
-GLint       get_uniform_location      (GLint shader_program, const char *name);
+GLint       get_uniform_location      (GLuint shader_program, const char *name);
 void        handle_object_movement    (App &app);
 void        handle_camera_movement    (App &app);
 glm::vec3   rotation_to_view_direction(const Camera &camera);