diff --git a/RTT/CMakeLists.txt b/RTT/CMakeLists.txt
index bd91ae7..950a085 100644
--- a/RTT/CMakeLists.txt
+++ b/RTT/CMakeLists.txt
@@ -1,4 +1,4 @@
-add_library(RTT
+add_library(RTT OBJECT
         SEGGER_RTT.c
         SEGGER_RTT_printf.c
         SEGGER_RTT_Syscalls_GCC.c