diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4d1c3cd0970..190172d3049 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -136,6 +136,7 @@ zephyr_compile_options(
   -imacros ${AUTOCONF_H}
   -ffreestanding
   -Wno-main
+  -fno-common
   ${NOSTDINC_F}
   ${TOOLCHAIN_C_FLAGS}
 )