diff --git a/utils/build-llvm-local.sh b/utils/build-llvm-local.sh
index 977f3084db..cec57b08cb 100755
--- a/utils/build-llvm-local.sh
+++ b/utils/build-llvm-local.sh
@@ -33,7 +33,7 @@ cmake ../llvm \
   -GNinja \
   -DCMAKE_C_COMPILER=clang \
   -DCMAKE_CXX_COMPILER=clang++ \
-  -DPython3_FIND_VIRTUALENV=FIRST \
+  -DPython3_FIND_VIRTUALENV=ONLY \
   -DLLVM_LINK_LLVM_DYLIB=ON \
   -DCLANG_LINK_CLANG_DYLIB=ON \
   -DLLVM_BUILD_EXAMPLES=OFF \