diff --git a/cmake/CMakeLists.txt b/cmake/CMakeLists.txt
index dbbcf56ebd..9cd9df07a1 100644
--- a/cmake/CMakeLists.txt
+++ b/cmake/CMakeLists.txt
@@ -1052,8 +1052,8 @@ if(NOT MINIMAL_BUILD AND BUILD_IFCMAX)
         endif()
     endforeach()
 
-    if(HAS_MAX)
-        message(STATUS "No Autodesk 3ds Max SDK found, can not build IFCMax.")
+    if(NOT HAS_MAX)
+        message(STATUS "Autodesk 3ds Max SDK not found, is required to build IFCMax.")
     else()
         add_subdirectory(../src/ifcmax ifcmax)
     endif()