diff --git a/CMakeLists.txt b/CMakeLists.txt
index b6a9288c..6bc48027 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -149,6 +149,7 @@ elseif (XMRIG_OS_APPLE)
         src/App_unix.cpp
         src/crypto/common/VirtualMemory_unix.cpp
         )
+    set(EXTRA_LIBS z)
 else()
     list(APPEND SOURCES_OS
         src/App_unix.cpp