diff --git a/Makefile.win b/Makefile.win
index 58359b62dc..7ca47780bb 100644
--- a/Makefile.win
+++ b/Makefile.win
@@ -88,6 +88,7 @@ HAVE_NETPLAY = 1
 HAVE_STDIN_CMD = 1
 HAVE_THREADS = 1
 HAVE_RGUI = 1
+HAVE_7ZIP = 1
 DYNAMIC = 1
 
 HAVE_WINXINPUT = 1
@@ -287,6 +288,34 @@ ifeq ($(HAVE_FFMPEG), 1)
    OBJ += record/ffmpeg.o
 endif
 
+ifeq ($(HAVE_7ZIP),1)
+   CFLAGS  += -I./decompress/7zip
+   DEFINES += -D_7ZIP_ST
+   DEFINES += -DHAVE_7ZIP
+   DEFINES += -DHAVE_COMPRESSION
+   7ZOBJ = 	decompress/7zip/7zIn.o \
+		decompress/7zip/7zAlloc.o \
+		decompress/7zip/Bra86.o \
+		decompress/7zip/CpuArch.o \
+		decompress/7zip/7zFile.o \
+		decompress/7zip/7zStream.o \
+		decompress/7zip/7zBuf2.o \
+		decompress/7zip/Ppmd7.o \
+		decompress/7zip/LzmaDec.o \
+		decompress/7zip/7zCrcOpt.o \
+		decompress/7zip/Bra.o \
+		decompress/7zip/7zDec.o \
+		decompress/7zip/Bcj2.o \
+		decompress/7zip/7zCrc.o \
+		decompress/7zip/Lzma2Dec.o \
+		decompress/7zip/7zBuf.o \
+		decompress/7zip/Ppmd7Dec.o \
+		decompress/7zip_support.o 
+   OBJ += $(7ZOBJ)
+   RETROLAUNCH_OBJ += $(7ZOBJ)
+   JOBJ += $(7ZOBJ)
+endif
+
 ifneq ($(V), 1)
    Q := @
 endif