diff --git a/cf/mips-abi.m4 b/cf/mips-abi.m4
index dd82da801..d49418729 100644
--- a/cf/mips-abi.m4
+++ b/cf/mips-abi.m4
@@ -58,11 +58,12 @@ case $abi in
 	fi
 	# Old GCC
 	abi=''
+	abilibdirext=''
 	;;
 	-mabi=n32|-mabi=64)
 		if test $with_mips_abi = yes; then
 			# Old GCC, default to O32
-			abi=32
+			abi=''
 			abilibdirext=''
 		else
 			# Some broken GCC