diff --git a/CMakeLists.txt b/CMakeLists.txt
index bbaa3aa3..4bde0d0a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -127,5 +127,7 @@ configure_file(
   "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake"
   IMMEDIATE @ONLY)
 
-add_custom_target(uninstall
+if (NOT TARGET uninstall)
+  add_custom_target(uninstall
   COMMAND "${CMAKE_COMMAND}" -P "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake")
+endif()
\ No newline at end of file