diff --git a/loader/loader_objfix.sh b/loader/loader_objfix.sh
index 99eb27a7f0..bc5f9d1b33 100755
--- a/loader/loader_objfix.sh
+++ b/loader/loader_objfix.sh
@@ -1,6 +1,7 @@
 #!/bin/sh
 # This script fixes up symbol mangling in GNU as code of stubs.s.
 # This file is licensed under the GPL, more info at http://www.fsf.org/
+if ! [ 'file stubs.o | grep ELF ' ] ; then
 for i in "export_names" \
        "printf" \
        "exp_EH_prolog" \
@@ -9,3 +10,4 @@ do
 echo "fixing: $i=_$i"
 objcopy --redefine-sym "$i=_$i" stubs.o
 done
+fi