diff --git a/utils/build-script-impl b/utils/build-script-impl
index 677073bfc9a78..c2dc93c75902b 100755
--- a/utils/build-script-impl
+++ b/utils/build-script-impl
@@ -2628,7 +2628,7 @@ for host in "${ALL_HOSTS[@]}"; do
                     -DCMAKE_INSTALL_LIBDIR:PATH="lib"
 
                     -DENABLE_SWIFT=YES
-                    -DSWIFT_RUNTIME_LIBDIR:PATH="${SWIFT_BUILD_PATH}/lib/swift/${SWIFT_HOST_VARIANT}/${SWIFT_HOST_VARIANT_ARCH}"
+                    -DSwift_DIR="${SWIFT_BUILD_PATH}/lib/cmake/swift"
 
                     -DENABLE_TESTING=YES
                   )