diff --git a/src/firmware/posix/CMakeLists.txt b/src/firmware/posix/CMakeLists.txt
index 2f8d8c95c3..4dbd94a3df 100644
--- a/src/firmware/posix/CMakeLists.txt
+++ b/src/firmware/posix/CMakeLists.txt
@@ -18,7 +18,7 @@ set_target_properties(mainapp PROPERTIES LINK_FLAGS ${main_link_flags})
 target_link_libraries(mainapp
 	-Wl,--start-group
 	${module_libraries}
-	pthread m
+	pthread m rt
 	-Wl,--end-group
 	)