diff --git a/zlib-ng.spec b/zlib-ng.spec
index 6752b6c..db61236 100644
--- a/zlib-ng.spec
+++ b/zlib-ng.spec
@@ -118,7 +118,7 @@ _EOF_
 # defining BUILD_SHARED_LIBS disables the static library
 %undefine _cmake_shared_libs
 # Disable new strategies in order to keep compatibility with zlib.
-%cmake %{cmake_param} -DZLIB_COMPAT=ON -DWITH_NEW_STRATEGIES=OFF
+%cmake %{cmake_param} -DZLIB_COMPAT=ON -DWITH_NEW_STRATEGIES=OFF -DCMAKE_POSITION_INDEPENDENT_CODE=ON
 %cmake_build
 %endif