diff --git a/Cura.proto b/Cura.proto
index a210e4f274..f1e261bece 100644
--- a/Cura.proto
+++ b/Cura.proto
@@ -40,6 +40,7 @@ message Slice
     string sentry_id = 6; // The anonymized Sentry user id that requested the slice
     string cura_version = 7; // The version of Cura that requested the slice
     optional string project_name = 8; // The name of the project that requested the slice
+    optional string user_name = 9; // The Digital Factory account name of the user that requested the slice
 }
 
 message Extruder
diff --git a/src/communication/ArcusCommunication.cpp b/src/communication/ArcusCommunication.cpp
index f99d00da3a..80f27db79d 100644
--- a/src/communication/ArcusCommunication.cpp
+++ b/src/communication/ArcusCommunication.cpp
@@ -534,10 +534,10 @@ void ArcusCommunication::sliceNext()
 #ifdef SENTRY_URL
     sentry_value_t user = sentry_value_new_object();
     sentry_value_set_by_key(user, "id", sentry_value_new_string(slice_message->sentry_id().c_str()));
-    if (const auto sentry_user = spdlog::details::os::getenv("CURAENGINE_SENTRY_USER"); ! sentry_user.empty())
+    if (slice_message->has_user_name())
     {
-        spdlog::debug("Setting Sentry user to {}", sentry_user);
-        sentry_value_set_by_key(user, "username", sentry_value_new_string(sentry_user.c_str()));
+        spdlog::debug("Setting Sentry user to {}", slice_message->user_name());
+        sentry_value_set_by_key(user, "username", sentry_value_new_string(slice_message->user_name().c_str()));
     }
     sentry_set_user(user);
     sentry_set_tag("cura.version", slice_message->cura_version().c_str());