diff --git a/racket/src/ChezScheme/s/Mf-cross b/racket/src/ChezScheme/s/Mf-cross
index c466f7fa66..24afa23d0e 100644
--- a/racket/src/ChezScheme/s/Mf-cross
+++ b/racket/src/ChezScheme/s/Mf-cross
@@ -42,3 +42,6 @@ ${xpatch}: ${xpatchobj}
 x$(xm).$(m):
 	$(MAKE) -f Mf-cross m=$(m) xm=$(xm) i=f o=3 d=0 xpatch
 	mv xpatch x$(xm).$(m)
+
+# Ensure that cross-compiling "nanopass.so" is rebuilt if the host compiler changed
+nanopass.so: ${SCHEME} ${SCHEMEHEAPDIRS}/petite.boot ${SCHEMEHEAPDIRS}/scheme.boot