diff --git a/app/features/badges/homemade.json b/app/features/badges/homemade.json
index d2075b027..6c8882c40 100644
--- a/app/features/badges/homemade.json
+++ b/app/features/badges/homemade.json
@@ -1204,7 +1204,7 @@
 		"authorDiscordId": "338806780446638082"
 	},
 	"torneoes": {
-		"displayName": "PEÑA Tournament",
+		"displayName": "PEÑA Tournament",
 		"authorDiscordId": "752582395076673577"
 	},
 	"tralalero": {
diff --git a/scripts/check-homemade-badges.ts b/scripts/check-homemade-badges.ts
index c34d28ce4..4894e8321 100644
--- a/scripts/check-homemade-badges.ts
+++ b/scripts/check-homemade-badges.ts
@@ -35,7 +35,7 @@ for (const key of Object.keys(badges)) {
 	lastKey = key;
 }
 
-// check for duplicate displayName values
+// check for duplicate displayName values and encoding issues
 const displayNames = new Map<string, string>();
 for (const [key, badge] of Object.entries(badges)) {
 	const existingKey = displayNames.get(badge.displayName);
@@ -46,6 +46,14 @@ for (const [key, badge] of Object.entries(badges)) {
 		process.exit(1);
 	}
 	displayNames.set(badge.displayName, key);
+
+	// check for Unicode replacement characters (encoding issues)
+	if (badge.displayName.includes("\uFFFD")) {
+		console.error(
+			`Invalid encoding in displayName for badge "${key}": contains replacement character (�). This usually means the file was saved with incorrect encoding.`,
+		);
+		process.exit(1);
+	}
 }
 
 // check each key has the 3 matching files in the right location