diff --git a/gcc/config.gcc b/gcc/config.gcc
index 2177490e311d943dea72dd5fb6cee822e3640c8d..3763bd9ed32805d18d4ae122d6b210d88fecc42e 100644
--- a/gcc/config.gcc
+++ b/gcc/config.gcc
@@ -372,7 +372,7 @@ fi
 
 case ${target} in
 i[34567]86-w64-*)
-	tm_file="i386/biarch32.h $(tm_file)"
+	tm_file="i386/biarch32.h ${tm_file}"
 	;;
 esac