diff --git a/CMakeModules/NameConfiguration.cmake b/CMakeModules/NameConfiguration.cmake
index 5491ede..cca64c0 100644
--- a/CMakeModules/NameConfiguration.cmake
+++ b/CMakeModules/NameConfiguration.cmake
@@ -1,10 +1,10 @@
 set(MAIN_TARGET JellyfinDesktop)
 
-# Display name (window title, application name)
-set(DISPLAY_NAME "Jellyfin Desktop")
-
-# Name of the output binary and data directories
+# Output binary name
 set(MAIN_NAME jellyfin-desktop)
+
+# Data directory name - also used for QCoreApplication::applicationName
+# which determines QStandardPaths (cache, config, data dirs)
 set(DATA_NAME jellyfin-desktop)
 
 if(APPLE)
diff --git a/src/main.cpp b/src/main.cpp
index 3d825fa..c866446 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -93,7 +93,7 @@ static void setupMpvFallback()
 /////////////////////////////////////////////////////////////////////////////////////////
 static void preinitQt()
 {
-  QCoreApplication::setApplicationName(Names::MainName());
+  QCoreApplication::setApplicationName(Names::DataName());
   QCoreApplication::setApplicationVersion(Version::GetVersionString());
   QCoreApplication::setOrganizationDomain("jellyfin.org");
 
diff --git a/src/shared/Names.cpp.in b/src/shared/Names.cpp.in
index 2ae6c94..d8b45dc 100644
--- a/src/shared/Names.cpp.in
+++ b/src/shared/Names.cpp.in
@@ -4,11 +4,6 @@
 
 #include "Names.h"
 
-QString Names::MainName()
-{
-  return QString("@DISPLAY_NAME@");
-}
-
 QString Names::DataName()
 {
   return QString("@DATA_NAME@");
diff --git a/src/shared/Names.h b/src/shared/Names.h
index 096c2ee..30f517b 100644
--- a/src/shared/Names.h
+++ b/src/shared/Names.h
@@ -9,7 +9,6 @@
 
 namespace Names
 {
-  QString MainName();
   QString DataName();
   QString HelperName();
 };