diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9d543b87b..9bfa9a758 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -318,7 +318,7 @@ if(GTSAM_ENABLE_CONSISTENCY_CHECKS)
   add_definitions(-DGTSAM_EXTRA_CONSISTENCY_CHECKS)
 endif()
 
-if(GTSAM_ENABLE_CONSISTENCY_CHECKS)
+if(GTSAM_ALLOW_DEPRECATED_SINCE_V4)
 	add_definitions(-DGTSAM_ALLOW_DEPRECATED_SINCE_V4)
 endif()