--- a/src/src.pro
+++ b/src/src.pro
@@ -24,7 +24,7 @@ RCC_DIR = ./Build
 
 DEPENDPATH += .
 INCLUDEPATH += .
-INCLUDEPATH += ./3rdparty/zlib
+INCLUDEPATH += ./3rdparty/quazip
 
 RESOURCES += glc_lib.qrc
 
@@ -196,17 +196,7 @@ HEADERS += $${HEADERS_QUAZIP} $${HEADERS_LIB3DS} $${HEADERS_GLC_MATHS} $${HEADER
 HEADERS += $${HEADERS_GLC} $${HEADERS_GLEXT} $${HEADERS_GLC_SCENEGRAPH} $${HEADERS_GLC_GEOMETRY}
 HEADERS += $${HEADERS_GLC_SHADING} $${HEADERS_GLC_VIEWPORT} $${HEADERS_GLC_3DWIDGET} $${HEADERS_GLC_GLU}
 		   
-SOURCES += 3rdparty/zlib/adler32.c \
-           3rdparty/zlib/compress.c \
-           3rdparty/zlib/crc32.c \
-           3rdparty/zlib/deflate.c \
-           3rdparty/zlib/gzio.c \
-           3rdparty/zlib/inffast.c \
-           3rdparty/zlib/inflate.c \
-           3rdparty/zlib/inftrees.c \
-           3rdparty/zlib/trees.c \
-           3rdparty/zlib/uncompr.c \
-           3rdparty/zlib/zutil.c
+LIBS += -lz
 
 SOURCES += 3rdparty/quazip/JlCompress.cpp \
            3rdparty/quazip/qioapi.cpp \