diff --git a/tools/build/make.py b/tools/build/make.py
index fefd2d2dd61b..d06686f8be63 100755
--- a/tools/build/make.py
+++ b/tools/build/make.py
@@ -219,6 +219,9 @@ def default_cross_toolchain():
                                     parsed_args.cross_bindir)
         check_required_make_env_var("XLD", "ld" if use_cross_gcc else "ld.lld",
                                     parsed_args.cross_bindir)
+        check_required_make_env_var("STRIPBIN",
+                                    "strip" if use_cross_gcc else "llvm-strip",
+                                    parsed_args.cross_bindir)
 
     bmake_binary = bootstrap_bmake(source_root, objdir_prefix)
     # at -j1 cleandir+obj is unbearably slow. AUTO_OBJ helps a lot