diff --git a/client/CMakeLists.txt b/client/CMakeLists.txt
index 15aba327..ee29d54c 100644
--- a/client/CMakeLists.txt
+++ b/client/CMakeLists.txt
@@ -10,6 +10,10 @@ if(${CMAKE_VERSION} VERSION_GREATER_EQUAL 3.17)
     cmake_policy(SET CMP0099 OLD)
 endif()
 
+if(ANDROID)
+    add_definitions(-D_BSD_SOURCE)
+endif()
+
 set(CMAKE_AUTOMOC ON)
 set(CMAKE_AUTORCC ON)
 set(CMAKE_AUTOUIC ON)