diff --git a/modules/thrift/CMakeLists.txt b/modules/thrift/CMakeLists.txt
index 02c22f2369f..9e8408cb646 100644
--- a/modules/thrift/CMakeLists.txt
+++ b/modules/thrift/CMakeLists.txt
@@ -39,4 +39,7 @@ zephyr_library_sources_ifdef(CONFIG_THRIFT_SSL_SOCKET
 # needed because std::iterator was deprecated with -std=c++17
 zephyr_library_compile_options(-Wno-deprecated-declarations)
 
+# needed for ctime_r
+zephyr_library_compile_definitions(_POSIX_C_SOURCE=200809L)
+
 endif(CONFIG_THRIFT)