diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index d3c2037a9..92ec8d66f 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -117,8 +117,7 @@ else()
 
     if (NOT CMAKE_BUILD_TYPE STREQUAL Debug)
         # _FORTIFY_SOURCE can't be used without optimizations.
-        add_compile_options(-Wp,-U_FORTIFY_SOURCE)
-        add_compile_options(-Wp,-D_FORTIFY_SOURCE=2)
+        add_compile_options(-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=1)
     endif()
 
     if (CITRA_WARNINGS_AS_ERRORS)