diff --git a/cmake/adjust_global_compile_flags.cmake b/cmake/adjust_global_compile_flags.cmake
index 690b6d4e66..6eb784a406 100644
--- a/cmake/adjust_global_compile_flags.cmake
+++ b/cmake/adjust_global_compile_flags.cmake
@@ -321,7 +321,7 @@ else()
     string(APPEND CMAKE_CXX_FLAGS " -mavx512f -mavx512cd -mavx512bw -mavx512dq -mavx512vl")
     string(APPEND CMAKE_C_FLAGS " -mavx512f -mavx512cd -mavx512bw -mavx512dq -mavx512vl")
   endif()
-  if (CMAKE_SYSTEM_NAME STREQUAL "Android" AND Onnxruntime_GCOV_COVERAGE)
+  if (CMAKE_SYSTEM_NAME STREQUAL "Android" AND onnxruntime_GCOV_COVERAGE)
     string(APPEND CMAKE_CXX_FLAGS " -g -O0 --coverage ")
     string(APPEND CMAKE_C_FLAGS   " -g -O0 --coverage ")
   endif()
diff --git a/tools/ci_build/build.py b/tools/ci_build/build.py
index 3e1b652844..1145509eef 100644
--- a/tools/ci_build/build.py
+++ b/tools/ci_build/build.py
@@ -1079,7 +1079,7 @@ def generate_build_tree(
         "-Donnxruntime_USE_NCCL=" + ("ON" if args.enable_nccl else "OFF"),
         "-Donnxruntime_BUILD_BENCHMARKS=" + ("ON" if args.build_micro_benchmarks else "OFF"),
         "-Donnxruntime_USE_ROCM=" + ("ON" if args.use_rocm else "OFF"),
-        "-DOnnxruntime_GCOV_COVERAGE=" + ("ON" if args.code_coverage else "OFF"),
+        "-Donnxruntime_GCOV_COVERAGE=" + ("ON" if args.code_coverage else "OFF"),
         "-Donnxruntime_USE_MPI=" + ("ON" if args.use_mpi else "OFF"),
         "-Donnxruntime_ENABLE_MEMORY_PROFILE=" + ("ON" if args.enable_memory_profile else "OFF"),
         "-Donnxruntime_ENABLE_CUDA_LINE_NUMBER_INFO=" + ("ON" if args.enable_cuda_line_info else "OFF"),