diff --git a/front/src/lib/components/index/search/datawells.svelte b/front/src/lib/components/index/search/datawells.svelte
index b58acbc..d9801d9 100644
--- a/front/src/lib/components/index/search/datawells.svelte
+++ b/front/src/lib/components/index/search/datawells.svelte
@@ -47,7 +47,7 @@
     const domainRegex =
       /^(?:[a-z0-9](?:[a-z0-9-]{0,61}[a-z0-9])?\.)+[a-z]{2,}$/;
     if (domainRegex.test(firstPart)) {
-      return firstPart;
+      return firstPart.replace("_", "-");
     }
     return null;
   }
diff --git a/front/src/lib/components/index/search/id/row.svelte b/front/src/lib/components/index/search/id/row.svelte
index a648ecd..8e9f297 100644
--- a/front/src/lib/components/index/search/id/row.svelte
+++ b/front/src/lib/components/index/search/id/row.svelte
@@ -12,7 +12,7 @@
     const domainRegex =
       /^(?:[a-z0-9](?:[a-z0-9-]{0,61}[a-z0-9])?\.)+[a-z]{2,}$/;
     if (domainRegex.test(firstPart)) {
-      return firstPart;
+      return firstPart.replace("_", "-");
     }
     return null;
   }