diff --git a/utils/swift_build_support/swift_build_support/toolchain.py b/utils/swift_build_support/swift_build_support/toolchain.py
index 8dadeeb766b7f..e81065cd27ad7 100644
--- a/utils/swift_build_support/swift_build_support/toolchain.py
+++ b/utils/swift_build_support/swift_build_support/toolchain.py
@@ -70,6 +70,7 @@ def _getter(self):
     _register("ar", "ar")
 _register("sccache", "sccache")
 _register("swiftc", "swiftc")
+_register("swift_build", "swift-build")
 
 
 class Darwin(Toolchain):