diff --git a/recipe/build.sh b/recipe/build.sh
index d0da9b37..2293fafd 100644
--- a/recipe/build.sh
+++ b/recipe/build.sh
@@ -71,5 +71,5 @@ if [[ "$CONDA_BUILD_CROSS_COMPILATION" != "1" ]]; then
   ninja -j${CPU_COUNT} check-llvm
 
   cd ../llvm/test
-  $PREFIX/bin/python ../../build/bin/llvm-lit -vv Transforms ExecutionEngine Analysis CodeGen/X86
+  $BUILD_PREFIX/bin/python ../../build/bin/llvm-lit -vv Transforms ExecutionEngine Analysis CodeGen/X86
 fi