diff --git a/rpcs3/CMakeLists.txt b/rpcs3/CMakeLists.txt
index e6fc5c5639..9eff077212 100644
--- a/rpcs3/CMakeLists.txt
+++ b/rpcs3/CMakeLists.txt
@@ -103,6 +103,7 @@ endif()
 include_directories(
 ${GLEW_INCLUDE_DIR}
 ${wxWidgets_INCLUDE_DIRS}
+${ZLIB_INCLUDE_DIR}
 ${OPENAL_INCLUDE_DIR}
 ${LLVM_INCLUDE_DIRS}
 "${RPCS3_SRC_DIR}/../ffmpeg/${PLATFORM_ARCH}/include"