diff --git a/include/chibi/features.h b/include/chibi/features.h
index dad77e1d..9d67c081 100644
--- a/include/chibi/features.h
+++ b/include/chibi/features.h
@@ -436,7 +436,7 @@
 #endif
 
 #ifndef SEXP_USE_PLACEHOLDER_DIGITS
-#define SEXP_USE_PLACEHOLDER_DIGITS SEXP_USE_FLONUMS
+#define SEXP_USE_PLACEHOLDER_DIGITS 0
 #endif
 
 #ifndef SEXP_PLACEHOLDER_DIGIT