diff --git a/src/services/sanitize_attribute_name.ts b/src/services/sanitize_attribute_name.ts
index 075ccfd03..b1f0e6579 100644
--- a/src/services/sanitize_attribute_name.ts
+++ b/src/services/sanitize_attribute_name.ts
@@ -1,13 +1,8 @@
 export default function sanitizeAttributeName(origName: string) {
-    let fixedName: string;
-
-    if (origName === '') {
-        fixedName = "unnamed";
-    }
-    else {
+    const fixedName = (origName === '')
+        ? "unnamed"
+        : origName.replace(/[^\p{L}\p{N}_:]/ug, "_");
         // any not allowed character should be replaced with underscore
-        fixedName = origName.replace(/[^\p{L}\p{N}_:]/ug, "_");
-    }
 
     return fixedName;
 }
\ No newline at end of file