diff --git a/build_files/build_environment/cmake/blosc.cmake b/build_files/build_environment/cmake/blosc.cmake
index 221fa9d58bf..0a8e13746c8 100644
--- a/build_files/build_environment/cmake/blosc.cmake
+++ b/build_files/build_environment/cmake/blosc.cmake
@@ -29,13 +29,11 @@ set(BLOSC_EXTRA_ARGS
   -DCMAKE_POSITION_INDEPENDENT_CODE=ON
 )

-if(WIN32)
-  # Prevent blosc from including it's own local copy of zlib in the object file
-  # and cause linker errors with everybody else.
-  set(BLOSC_EXTRA_ARGS ${BLOSC_EXTRA_ARGS}
-    -DPREFER_EXTERNAL_ZLIB=ON
-  )
-endif()
+# Prevent blosc from including it's own local copy of zlib in the object file
+# and cause linker errors with everybody else.
+set(BLOSC_EXTRA_ARGS ${BLOSC_EXTRA_ARGS}
+  -DPREFER_EXTERNAL_ZLIB=ON
+)

 ExternalProject_Add(external_blosc
   URL ${BLOSC_URI}