diff --git a/doc/CMakeLists.txt b/doc/CMakeLists.txt
index aa7a1cd..96af7e8 100644
--- a/doc/CMakeLists.txt
+++ b/doc/CMakeLists.txt
@@ -1,9 +1,9 @@
 find_package(Doxygen)
 if (Doxygen_FOUND)
-    if (NOT MYLIB_DOXYGEN_LANGUAGE)
-        set(MYLIB_DOXYGEN_LANGUAGE Russian)
+    if (NOT DOXYGEN_OUTPUT_LANGUAGE)
+        set(DOXYGEN_OUTPUT_LANGUAGE Russian)
     endif()
-    message(STATUS "Doxygen documentation will be generated in ${MYLIB_DOXYGEN_LANGUAGE}")
+    message(STATUS "Doxygen documentation will be generated in ${DOXYGEN_OUTPUT_LANGUAGE}")
     configure_file(Doxyfile.in Doxyfile)
     add_custom_target(doc COMMAND ${DOXYGEN_EXECUTABLE} ${CMAKE_CURRENT_BINARY_DIR}/Doxyfile)
 endif ()