diff --git a/CMakeLists.txt b/CMakeLists.txt
index 18bcbeb8..518731bb 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1534,15 +1534,16 @@ if (EVENT__DOXYGEN)
 endif()
 
 
-# Create the uninstall target.
-# https://gitlab.kitware.com/cmake/community/wikis/FAQ#can-i-do-make-uninstall-with-cmake
-configure_file(${PROJECT_SOURCE_DIR}/cmake/Uninstall.cmake.in
-               ${PROJECT_BINARY_DIR}/Uninstall.cmake
-               @ONLY)
-
-add_custom_target(uninstall
-                  COMMAND ${CMAKE_COMMAND} -P ${PROJECT_BINARY_DIR}/Uninstall.cmake)
+if (NOT TARGET uninstall)
+	# Create the uninstall target.
+	# https://gitlab.kitware.com/cmake/community/wikis/FAQ#can-i-do-make-uninstall-with-cmake
+	configure_file(${PROJECT_SOURCE_DIR}/cmake/Uninstall.cmake.in
+				   ${PROJECT_BINARY_DIR}/Uninstall.cmake
+				   @ONLY)
 
+	add_custom_target(uninstall
+					  COMMAND ${CMAKE_COMMAND} -P ${PROJECT_BINARY_DIR}/Uninstall.cmake)
+endif()
 
 message(STATUS "")
 message(STATUS "        ---( Libevent " ${EVENT_VERSION} " )---")