diff --git a/src/communication/ArcusCommunication.cpp b/src/communication/ArcusCommunication.cpp
index e26718b300..a00b05a490 100644
--- a/src/communication/ArcusCommunication.cpp
+++ b/src/communication/ArcusCommunication.cpp
@@ -1,4 +1,4 @@
-// Copyright (c) 2023 UltiMaker
+// Copyright (c) 2024 UltiMaker
 // CuraEngine is released under the terms of the AGPLv3 or higher
 
 #ifdef ARCUS
@@ -536,7 +536,8 @@ void ArcusCommunication::sliceNext()
     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())
     {
-        sentry_value_set_by_key(user, "email", sentry_value_new_string(sentry_user.c_str()));
+        spdlog::debug("Setting Sentry user to {}", sentry_user);
+        sentry_value_set_by_key(user, "username", sentry_value_new_string(sentry_user.c_str()));
     }
     sentry_set_user(user);
     sentry_set_tag("cura.version", slice_message->cura_version().c_str());
diff --git a/src/main.cpp b/src/main.cpp
index f69b920e8c..f9066f8e1a 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -62,7 +62,7 @@ int main(int argc, char** argv)
 
 // Want to set the sentry URL? Use '-c user.curaengine:sentry_url=<url> -o curaengine:enable_sentry=True' with conan install
 #ifdef SENTRY_URL
-    if (const auto use_sentry = spdlog::details::os::getenv("use_sentry"); ! use_sentry.empty() && use_sentry == "1")
+    if (const auto use_sentry = spdlog::details::os::getenv("USE_SENTRY"); ! use_sentry.empty() && use_sentry == "1")
     {
         // Setup sentry error handling.
         sentry_options_t* options = sentry_options_new();
@@ -101,7 +101,7 @@ int main(int argc, char** argv)
     cura::Application::getInstance().run(argc, argv);
 
 #ifdef SENTRY_URL
-    if (const auto use_sentry = spdlog::details::os::getenv("use_sentry"); ! use_sentry.empty() && use_sentry == "1")
+    if (const auto use_sentry = spdlog::details::os::getenv("USE_SENTRY"); ! use_sentry.empty() && use_sentry == "1")
     {
         spdlog::info("Closing sentry");
         sentry_close();