diff --git a/arch/arm64/src/cmake/Toolchain.cmake b/arch/arm64/src/cmake/Toolchain.cmake
index 653ab10c7c7..bcec12d55d9 100644
--- a/arch/arm64/src/cmake/Toolchain.cmake
+++ b/arch/arm64/src/cmake/Toolchain.cmake
@@ -71,13 +71,9 @@ set(NO_LTO "-fno-lto")
 
 if(CONFIG_ARCH_ARMV8A)
   add_compile_options(-march=armv8-a)
-endif()
-
-if(CONFIG_ARCH_ARMV8R)
+elseif(CONFIG_ARCH_ARMV8R)
   add_compile_options(-march=armv8-r)
-endif()
-
-if(CONFIG_ARCH_CORTEX_A53)
+elseif(CONFIG_ARCH_CORTEX_A53)
   add_compile_options(-mcpu=cortex-a53)
 elseif(CONFIG_ARCH_CORTEX_A57)
   add_compile_options(-mcpu=cortex-a57)