diff --git a/data/CMakeLists.txt b/data/CMakeLists.txt
index c9c0686aae..773f7e0cee 100644
--- a/data/CMakeLists.txt
+++ b/data/CMakeLists.txt
@@ -153,7 +153,7 @@ if (FREECIV_ENABLE_CLIENT)
     FILES_MATCHING PATTERN *.png PATTERN *.spec)
   install(
     DIRECTORY themes
-    DESTINATION "${CMAKE_INSTALL_DATADIR}/${PROJECT_NAME}/themes"
+    DESTINATION "${CMAKE_INSTALL_DATADIR}/${PROJECT_NAME}"
     COMPONENT freeciv21
     FILES_MATCHING PATTERN theme.conf
                    PATTERN *.jpg