diff --git a/cmsis/device/rtos/CMakeLists.txt b/cmsis/device/rtos/CMakeLists.txt
index 061b171ae8..0eedd5c508 100644
--- a/cmsis/device/rtos/CMakeLists.txt
+++ b/cmsis/device/rtos/CMakeLists.txt
@@ -31,4 +31,4 @@ target_compile_definitions(mbed-rtos
         MBED_CONF_RTOS_PRESENT=1
 )
 
-target_link_libraries(mbed-rtos INTERFACE mbed-core)
+target_link_libraries(mbed-rtos-obj PRIVATE mbed-core)