diff --git a/CMLibDoxygen.cmake b/CMLibDoxygen.cmake
index a59a12a..95816a6 100644
--- a/CMLibDoxygen.cmake
+++ b/CMLibDoxygen.cmake
@@ -14,7 +14,7 @@ function(add_doxygen_target)
     configure_file(${_DOXYGEN_IN} ${_DOXYGEN_OUT} @ONLY)
     message("Doxygen build started")
 
-    add_custom_target(${_DOXYGEN_TARGET} VERBATIM
+    add_custom_target(${_DOXYGEN_TARGET_NAME} VERBATIM
       COMMAND ${DOXYGEN_EXECUTABLE} ${DOXYGEN_OUT}
       WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
       COMMENT "Generating API documentation with Doxygen"