diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7aaf435..f3906a6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -99,7 +99,9 @@ if(NOT CMAKE_BUILD_TYPE STREQUAL Debug)
   set_target_properties(${PROJECT_NAME}-static PROPERTIES LINKER_LANGUAGE C)
 endif()
 
-if(NOT APPLE AND CMAKE_OBJCOPY)
+if(NOT EMSCRIPTEN
+   AND NOT APPLE
+   AND CMAKE_OBJCOPY)
   add_custom_command(
     TARGET conflict-set-static
     POST_BUILD