diff --git a/zlib-1.2.4-autotools.patch b/zlib-1.2.4-autotools.patch
index 91e9b0c..73de59e 100644
--- a/zlib-1.2.4-autotools.patch
+++ b/zlib-1.2.4-autotools.patch
@@ -18,7 +18,7 @@ diff -up zlib-1.2.4/contrib/minizip/configure.ac.atools zlib-1.2.4/contrib/miniz
 diff -up zlib-1.2.4/contrib/minizip/Makefile.am.atools zlib-1.2.4/contrib/minizip/Makefile.am
 --- zlib-1.2.4/contrib/minizip/Makefile.am.atools	2010-03-29 10:28:50.000000000 +0200
 +++ zlib-1.2.4/contrib/minizip/Makefile.am	2010-03-29 10:32:11.000000000 +0200
-@@ -0,0 +1,33 @@
+@@ -0,0 +1,32 @@
 +ACLOCAL_AMFLAGS = -I m4 --install
 +
 +lib_LTLIBRARIES = libminizip.la
@@ -31,8 +31,7 @@ diff -up zlib-1.2.4/contrib/minizip/Makefile.am.atools zlib-1.2.4/contrib/minizi
 +
 +# do not build the static version of libminizip
 +libminizip_la_CFLAGS = -shared
-+libminizip_la_LDFLAGS = -version-info 1:0:0
-+LDADD=-lz
++libminizip_la_LDFLAGS = -version-info 1:0:0 -lz
 +
 +minizip_includedir = $(includedir)/minizip
 +minizip_include_HEADERS = \
diff --git a/zlib.spec b/zlib.spec
index dd676a6..496fce5 100644
--- a/zlib.spec
+++ b/zlib.spec
@@ -64,8 +64,8 @@ iconv -f windows-1252 -t utf-8 <ChangeLog >ChangeLog.tmp
 mv ChangeLog.tmp ChangeLog
 
 %build
-./configure --libdir=%{_libdir} --includedir=%{_includedir} --prefix=%{_prefix}
-make %{?_smp_mflags} CFLAGS="$RPM_OPT_FLAGS -D_LARGEFILE64_SOURCE=1"
+CFLAGS=$RPM_OPT_FLAGS ./configure --libdir=%{_libdir} --includedir=%{_includedir} --prefix=%{_prefix}
+make %{?_smp_mflags}
 
 cd contrib/minizip
 autoreconf --install