diff --git a/src/Make_mvc.mak b/src/Make_mvc.mak
index 9d34633..a353a9c 100644
--- a/src/Make_mvc.mak
+++ b/src/Make_mvc.mak
@@ -705,12 +705,18 @@
 MZSCHEME_VER = 205_000
 !endif
 CFLAGS = $(CFLAGS) -DFEAT_MZSCHEME -I $(MZSCHEME)\include
-!if EXIST("$(MZSCHEME)\collects\scheme\base.ss")
-# for MzScheme 4.x we need to include byte code for basic Scheme stuff
+!if EXIST("$(MZSCHEME)\collects\scheme\base.ss") \
+	|| EXIST("$(MZSCHEME)\collects\scheme\base.rkt") 
+# for MzScheme >= 4 we need to include byte code for basic Scheme stuff
 MZSCHEME_EXTRA_DEP = mzscheme_base.c
 CFLAGS = $(CFLAGS) -DINCLUDE_MZSCHEME_BASE
 !endif
-!if EXIST("$(MZSCHEME)\lib\msvc\libmzsch$(MZSCHEME_VER).lib") \
+!if EXIST("$(MZSCHEME)\lib\msvc\libmzsch$(MZSCHEME_VER).lib")
+MZSCHEME_MAIN_LIB=mzsch
+!else
+MZSCHEME_MAIN_LIB=racket
+!endif
+!if EXIST("$(MZSCHEME)\lib\msvc\lib$(MZSCHEME_MAIN_LIB)$(MZSCHEME_VER).lib") \
 	&& !EXIST("$(MZSCHEME)\lib\msvc\libmzgc$(MZSCHEME_VER).lib")
 !message Building with Precise GC
 MZSCHEME_PRECISE_GC = yes
@@ -722,7 +728,7 @@
 !endif
 !message MzScheme DLLs will be loaded dynamically
 CFLAGS = $(CFLAGS) -DDYNAMIC_MZSCHEME \
-		-DDYNAMIC_MZSCH_DLL=\"libmzsch$(MZSCHEME_VER).dll\" \
+		-DDYNAMIC_MZSCH_DLL=\"lib$(MZSCHEME_MAIN_LIB)$(MZSCHEME_VER).dll\" \
 		-DDYNAMIC_MZGC_DLL=\"libmzgc$(MZSCHEME_VER).dll\"
 !else
 !if "$(MZSCHEME_DEBUG)" == "yes"
@@ -730,10 +736,10 @@
 !endif
 !if "$(MZSCHEME_PRECISE_GC)" == "yes"
 # Precise GC does not use separate dll
-MZSCHEME_LIB = $(MZSCHEME)\lib\msvc\libmzsch$(MZSCHEME_VER).lib
+MZSCHEME_LIB = $(MZSCHEME)\lib\msvc\lib$(MZSCHEME_MAIN_LIB)$(MZSCHEME_VER).lib
 !else
 MZSCHEME_LIB = $(MZSCHEME)\lib\msvc\libmzgc$(MZSCHEME_VER).lib \
-		$(MZSCHEME)\lib\msvc\libmzsch$(MZSCHEME_VER).lib
+		$(MZSCHEME)\lib\msvc\lib$(MZSCHEME_MAIN_LIB)$(MZSCHEME_VER).lib
 !endif
 !endif
 MZSCHEME_OBJ = $(OUTDIR)\if_mzsch.obj