diff --git a/gas/configure.in b/gas/configure.in
index 0c12116ba3..86da885b67 100644
--- a/gas/configure.in
+++ b/gas/configure.in
@@ -168,7 +168,8 @@ case ${generic_target} in
 			obj_format=coffbfd gas_target=i386coff ;;
   i386-*-vsta)		obj_format=aout ;;
   i386-*-go32)		obj_format=coffbfd gas_target=i386coff ;;
-  i386-*-mach*)		obj_format=aout emulation=mach bfd_gas=yes ;;
+  i386-*-mach* | i386-*-gnu*)
+			obj_format=aout emulation=mach bfd_gas=yes ;;
 
   i960-*-bout)		obj_format=bout ;;
   i960-*-coff)		obj_format=coffbfd emulation=ic960 gas_target=ic960coff ;;