diff --git a/CMakeLists.txt b/CMakeLists.txt
index fca10c8..28b5504 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -51,10 +51,7 @@ set(BUILD_SHARED_LIBS OFF CACHE BOOL "" FORCE)
 FetchContent_GetProperties(wolfssl)
 FetchContent_MakeAvailable(wolfssl)
 
-target_compile_definitions(wolfssl PUBLIC
-    -DWOLFSSL_ALT_NAMES
-    -DWOLFSSL_ALPN
-)
+add_compile_definitions(WOLFSSL_ALT_NAMES WOLFSSL_ALPN)
 
 # ---------------------
 # warnings