diff --git a/libs/libbuiltin/compiler-rt/CMakeLists.txt b/libs/libbuiltin/compiler-rt/CMakeLists.txt
index 0ad0085b6af..0afba7f164c 100644
--- a/libs/libbuiltin/compiler-rt/CMakeLists.txt
+++ b/libs/libbuiltin/compiler-rt/CMakeLists.txt
@@ -113,8 +113,8 @@ if(CONFIG_COVERAGE_COMPILER_RT)
     rt.profile PRIVATE ${INCDIR}
                        ${CMAKE_CURRENT_LIST_DIR}/compiler-rt/lib/profile)
 
-  target_compile_options(rt.profile -fno-profile-instr-generate
-                         -fno-coverage-mapping)
+  target_compile_options(rt.profile PRIVATE -fno-profile-instr-generate
+                                            -fno-coverage-mapping)
 
   target_compile_options(rt.profile PRIVATE -DCOMPILER_RT_HAS_UNAME -Wno-undef
                                             -Wno-strict-prototypes -Wno-shadow)
@@ -133,8 +133,8 @@ if(CONFIG_COVERAGE_COMPILER_RT)
 elseif(CONFIG_COVERAGE_MINI AND CONFIG_ARCH_TOOLCHAIN_CLANG)
   nuttx_add_system_library(rt.miniprofile)
 
-  target_compile_options(rt.miniprofile -fno-profile-instr-generate
-                         -fno-coverage-mapping)
+  target_compile_options(rt.miniprofile PRIVATE -fno-profile-instr-generate
+                                                -fno-coverage-mapping)
 
   target_sources(rt.profile PRIVATE ${CMAKE_CURRENT_LIST_DIR}/coverage.c)
 endif()