diff --git a/CMakeLists.txt b/CMakeLists.txt
index 89d6041ea..de0fbd58c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1821,8 +1821,8 @@ generate_build_flags()
 # USER SETTINGS
 if(WOLFSSL_USER_SETTINGS)
     # Replace all options and just use WOLFSSL_USER_SETTINGS
-    set(WOLFSSL_DEFINITIONS "-DWOLFSSL_USER_SETTINGS
-        -DWOLFSSL_USER_SETTINGS_ASM")
+    set(WOLFSSL_DEFINITIONS "-DWOLFSSL_USER_SETTINGS")
+    list(APPEND WOLFSSL_DEFINITIONS "-DWOLFSSL_USER_SETTINGS_ASM")
 
     # Create user_settings_asm.h for use in assembly files (e.g. .S files).
     execute_process(COMMAND $ENV{SHELL} ${CMAKE_CURRENT_SOURCE_DIR}/scripts/user_settings_asm.sh