diff --git a/zephyr/CMakeLists.txt b/zephyr/CMakeLists.txt
index 3559a1c90..f358d4659 100644
--- a/zephyr/CMakeLists.txt
+++ b/zephyr/CMakeLists.txt
@@ -37,6 +37,7 @@ file(GLOB_RECURSE Sources
   "../src/session/*.c"
   "../src/transport/*.c"
   "../src/utils/*.c"
+  "../src/system/platform_common.c"
 )
 
 file (GLOB Sources_Zephyr "../src/system/zephyr/*.c")