diff --git a/static/js/cours.js b/static/js/cours.js
index abc754a..7da4a7e 100644
--- a/static/js/cours.js
+++ b/static/js/cours.js
@@ -160,6 +160,8 @@ window.addEventListener("load", () => {
     uncollapse(last_openeded);
   }
 
-  // Fix SVG images
-  svgDarkTheme();
+  // Fix SVG images in dark mode
+  if (window.matchMedia("(prefers-color-scheme: dark)").matches) {
+    svgDarkTheme();
+  }
 });