diff --git a/CMakeLists.txt b/CMakeLists.txt
index 67449a37c1..082b6f46fd 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -93,6 +93,10 @@ if ("${BUILD_LIBRARY_TYPE}" STREQUAL "Shared")
     set (BUILD_SHARED_LIBRARY_NAME_POSTFIX "" CACHE STRING "${BUILD_SHARED_LIBRARY_NAME_POSTFIX_DESCR}" FORCE)
   endif()
 else()
+  message(AUTHOR_WARNING "OCCT is licensed under LGPL 2.1, which has limitations on"
+                         "static linking with proprietary software."
+                         "OCCT3D offers commercial licensing exceptions to LGPL 2.1."
+                         "Please use our contact form at https://occt3d.com/")
   unset (BUILD_SHARED_LIBS)
   unset (BUILD_SHARED_LIBRARY_NAME_POSTFIX)
 endif()