--- iortcw-1.42d/SP/code/qcommon/files.c
+++ iortcw-1.42d/SP/code/qcommon/files.c
@@ -38,7 +38,7 @@
 
 #include "q_shared.h"
 #include "qcommon.h"
-#include "../zlib-1.2.8/unzip.h"
+#include <minizip/unzip.h>
 
 /*
 =============================================================================
--- iortcw-1.42d/SP/Makefile
+++ iortcw-1.42d/SP/Makefile
@@ -1137,7 +1137,7 @@
   ZLIB_CFLAGS = -DNO_GZIP -I$(ZDIR)
 else
   ZLIB_CFLAGS ?= $(shell pkg-config --silence-errors --cflags zlib || true)
-  ZLIB_LIBS ?= $(shell pkg-config --silence-errors --libs zlib || echo -lz)
+  ZLIB_LIBS ?= $(shell pkg-config --silence-errors --libs zlib || echo -lz) $(shell pkg-config --silence-errors --libs minizip || echo -lminizip)
 endif
 BASE_CFLAGS += $(ZLIB_CFLAGS)
 LIBS += $(ZLIB_LIBS)
@@ -1647,8 +1647,6 @@
   $(B)/client/q_math.o \
   $(B)/client/q_shared.o \
   \
-  $(B)/client/unzip.o \
-  $(B)/client/ioapi.o \
   $(B)/client/puff.o \
   $(B)/client/vm.o \
   $(B)/client/vm_interpreted.o \
@@ -2245,8 +2243,6 @@
   $(B)/ded/q_math.o \
   $(B)/ded/q_shared.o \
   \
-  $(B)/ded/unzip.o \
-  $(B)/ded/ioapi.o \
   $(B)/ded/vm.o \
   $(B)/ded/vm_interpreted.o \
   \