diff --git a/src/mzscheme/Makefile.in b/src/mzscheme/Makefile.in
index b09096072f..f6fc6b1c9e 100644
--- a/src/mzscheme/Makefile.in
+++ b/src/mzscheme/Makefile.in
@@ -331,7 +331,7 @@ osx-install-3m-final:
 
 unix-cygwin-install:
 	$(MAKE) unix-install
-	cd dynsrc; $(MAKE) cygwin-install
+	cd dynsrc; $(MAKE) cygwin-install-core
 
 unix-cygwin-install-cgc:
 	$(MAKE) unix-install-cgc
diff --git a/src/mzscheme/dynsrc/Makefile.in b/src/mzscheme/dynsrc/Makefile.in
index 35362e4dfa..a7ff2fdb11 100644
--- a/src/mzscheme/dynsrc/Makefile.in
+++ b/src/mzscheme/dynsrc/Makefile.in
@@ -54,6 +54,11 @@ dynexmpl.o: $(srcdir)/dynexmpl.c  $(HEADERS)
 ILIBDIR = $(libpltdir)
 
 cygwin-install:
+	$(MAKE) cygwin-install-core
+	$(MAKE) cygwin-install-cgc
+	$(MAKE) cygwin-install-3m
+
+cygwin-install-core:
 	gcc -c $(srcdir)/init.cc
 	gcc -c $(srcdir)/fixup.c
 	cp $(srcdir)/mzdyn.def mzdynx.def