diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2586fa5..40e98ea 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -84,7 +84,7 @@ endmacro()
 map_definitions("STACK_DETAILS_" "BACKWARD_HAS_" BACKTRACE_SYMBOL DW BFD)
 map_definitions("STACK_WALKING_" "BACKWARD_HAS_" UNWIND BACKTRACE)
 
-foreach(def ${BACKWARD_DEFINITIONS})
+foreach(def ${backward_DEFINITIONS})
 	message(STATUS "${def}")
 endforeach()