--- miniapps/performance/CMakeLists.txt	2025-12-12 02:59:53.000000000 +0800
+++ miniapps/performance/CMakeLists.txt	2025-12-14 01:36:26.000000000 +0800
@@ -11,7 +11,7 @@
 
 # Rosetta will have x86 as a physical CPU, so we need CMAKE_OSX_ARCHITECTURES case too.
 if (${CMAKE_SYSTEM_PROCESSOR} MATCHES "ppc|ppc64" OR (APPLE AND "${CMAKE_OSX_ARCHITECTURES}" MATCHES "ppc|ppc64"))
-   set(MFEM_PERF_CXX_ARCH_FLAGS "-mcpu=native" "-mtune=native")
+   set(MFEM_PERF_CXX_ARCH_FLAGS "-mtune=native")
 elseif (APPLE AND ${CMAKE_SYSTEM_PROCESSOR} MATCHES "arm64")
    set(MFEM_PERF_CXX_ARCH_FLAGS "-mcpu=apple-m1")
 elseif (${CMAKE_SYSTEM_PROCESSOR} MATCHES "riscv64")