diff --git a/target/linux/lantiq/patches-4.4/0042-arch-mips-increase-io_space_limit.patch b/target/linux/lantiq/patches-4.4/0042-arch-mips-increase-io_space_limit.patch
index 3bc2a62306..1d131f5e71 100644
--- a/target/linux/lantiq/patches-4.4/0042-arch-mips-increase-io_space_limit.patch
+++ b/target/linux/lantiq/patches-4.4/0042-arch-mips-increase-io_space_limit.patch
@@ -19,7 +19,7 @@ index d10fd80..d42eac9 100644
  /* ioswab[bwlq], __mem_ioswab[bwlq] are defined in mangle-port.h */
  
 -#define IO_SPACE_LIMIT 0xffff
-+#define IO_SPACE_LIMIT 0x200000
++#define IO_SPACE_LIMIT 0xffffffff
  
  /*
   * On MIPS I/O ports are memory mapped, so we access them using normal