diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 2cf62ca..157b231 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -43,7 +43,7 @@
     <string name="canteens">Canteens</string>
     <string name="prices" translatable="false">%1$.2f€ / %2$.2f€ / %3$.2f€</string>
     <string name="price" translatable="false">%1$.2f€</string>
-    <string name="grade_separator">/</string>
+    <string name="grade_separator" translatable="false">/</string>
     <string name="location_name">Location: %1$s</string>
     <string name="module_name">Module: %1$s</string>
 </resources>