diff --git a/src/racket/src/schminc.h b/src/racket/src/schminc.h
index ec5b93b557..0c8777d861 100644
--- a/src/racket/src/schminc.h
+++ b/src/racket/src/schminc.h
@@ -12,7 +12,7 @@
    finally, set EXPECTED_PRIM_COUNT to the right value and
    USE_COMPILED_STARTUP to 1 and `make' again. */
 
-#define USE_COMPILED_STARTUP 0
+#define USE_COMPILED_STARTUP 1
 
 #define EXPECTED_PRIM_COUNT 1046
 #define EXPECTED_UNSAFE_COUNT 78