diff --git a/CMakeLists.txt b/CMakeLists.txt
index 601fd5c379..60d21e8828 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1184,7 +1184,7 @@ foreach(datafile ${DATA})
   file(MAKE_DIRECTORY ${DESTINATION})
   file(COPY ${datafile} DESTINATION ${DESTINATION})
 endforeach()
-set(
+set(COPY_FILES
   ${CURL_COPY_FILES}
   ${FREETYPE_COPY_FILES}
   ${SDL2_COPY_FILES}