diff --git a/meson_config.h.in b/meson_config.h.in
index d4470a0..de8bd07 100644
--- a/meson_config.h.in
+++ b/meson_config.h.in
@@ -4,3 +4,5 @@
 inline static const std::string hostInstances = @INSTANCES@;
 
 inline static const size_t postCodeSize = @POST_CODE_BYTES@;
+
+inline static const size_t debugCardFrameSize = @DEBUG_CARD_FRAME_SIZE@;