diff --git a/3rdparty/reflex-takktile2/CMakeLists.txt b/3rdparty/reflex-takktile2/CMakeLists.txt
index a793ccd2a1..d9b90c6f24 100644
--- a/3rdparty/reflex-takktile2/CMakeLists.txt
+++ b/3rdparty/reflex-takktile2/CMakeLists.txt
@@ -41,3 +41,6 @@ if(NOT BUILD_SHARED_LIBS)
   vp_install_target(${TAKKTILE2_LIBRARY} EXPORT VISPModules ARCHIVE DESTINATION ${VISP_3P_LIB_INSTALL_PATH} COMPONENT dev)
 endif()
 
+if(UNIX)
+  vp_set_source_file_compile_flag(reflex_driver2.cpp -Wno-format=)
+endif()