diff --git a/cmake_targets/build_oai b/cmake_targets/build_oai
index 9bb07ef6a4ee0590257dd96cb398999db5681bec..8270e3989fa494c4741362a7f7a4d53f99b3efb5 100755
--- a/cmake_targets/build_oai
+++ b/cmake_targets/build_oai
@@ -186,7 +186,7 @@ function main() {
   until [ -z "$1" ]
   do
     case "$1" in
-       --archnative)
+       --arch-native)
             CMAKE_C_FLAGS+=("-march=native")
             CMAKE_CXX_FLAGS+=("-march=native")
             shift;;