diff --git a/groups/CMakeLists.txt b/groups/CMakeLists.txt
index 7ee0b81..5346c7b 100644
--- a/groups/CMakeLists.txt
+++ b/groups/CMakeLists.txt
@@ -1,3 +1,6 @@
+if(MSVC)
+    add_compile_options(/bigobj)
+endif()
 add_subdirectory(bsl)
 add_subdirectory(bdl)
 add_subdirectory(bal)