1 files changed, 4 insertions, 4 deletions

diff --git a/src/blucat/sprite.cpp b/src/blucat/sprite.cpp
index 506d87a..0c66a27 100644
--- a/src/blucat/sprite.cpp
+++ b/src/blucat/sprite.cpp
@@ -28,12 +28,12 @@ namespace
 struct SpriteBuilder
 {
   BluCat::Sprite *sprite;
-  glm::vec4 ▭
+  const glm::vec4 ▭
 
-  SpriteBuilder(BluCat::Sprite *sprite, glm::vec4 &rect);
+  SpriteBuilder(BluCat::Sprite *sprite, const glm::vec4 &rect);
 };
 
-SpriteBuilder::SpriteBuilder(BluCat::Sprite *sprite, glm::vec4 &rect):
+SpriteBuilder::SpriteBuilder(BluCat::Sprite *sprite, const glm::vec4 &rect):
   sprite{sprite},
   rect{rect}
 {
@@ -82,7 +82,7 @@ static const CommandChain loader{
 namespace BluCat
 {
 
-Sprite::Sprite(std::shared_ptr<Texture> texture, glm::vec4 &rect):
+Sprite::Sprite(std::shared_ptr<Texture> texture, const glm::vec4 &rect):
   texture{texture}
 {
   SpriteBuilder sprite_builder(this, rect);