diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1258457..4639e0c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -88,7 +88,7 @@ set_target_properties(BillySheet PROPERTIES
         PUBLIC_HEADER "include/billy_objects.hpp;include/character_sheet.hpp;include/generic_object.hpp;include/characteristic.hpp"
 )
 
-target_compile_definitions(BillySheet PRIVATE
+target_compile_definitions(BillySheet PUBLIC
         $<$<CONFIG:Debug>:_GLIBCXX_DEBUG>
 )