diff --git a/NEWS b/NEWS
index 9a32eec22..409a0673c 100644
--- a/NEWS
+++ b/NEWS
@@ -2,7 +2,7 @@ ver 0.23 (not yet released)
 * protocol
   - new command "getvol"
 
-ver 0.22.1 (not yet released)
+ver 0.22.1 (2020/10/17)
 * decoder
   - opus: apply the OpusHead output gain even if there is no EBU R128 tag
   - opus: fix track/album ReplayGain fallback
diff --git a/python/build/libs.py b/python/build/libs.py
index 7584caa16..c9cfd1d25 100644
--- a/python/build/libs.py
+++ b/python/build/libs.py
@@ -429,6 +429,7 @@ libnfs = AutotoolsProject(
         '--disable-utils', '--disable-examples',
     ],
     base='libnfs-libnfs-4.0.0',
+    patches='src/lib/nfs/patches',
     autoreconf=True,
 )
 
diff --git a/src/lib/nfs/patches/no_sprintf_s b/src/lib/nfs/patches/no_sprintf_s
new file mode 100644
index 000000000..c2bce1466
--- /dev/null
+++ b/src/lib/nfs/patches/no_sprintf_s
@@ -0,0 +1,14 @@
+Index: libnfs-libnfs-4.0.0/include/win32/win32_compat.h
+===================================================================
+--- libnfs-libnfs-4.0.0.orig/include/win32/win32_compat.h
++++ libnfs-libnfs-4.0.0/include/win32/win32_compat.h
+@@ -133,7 +133,9 @@ struct pollfd {
+ 
+ /* Wrapper macros to call misc. functions win32 is missing */
+ #define poll(x, y, z)        win32_poll(x, y, z)
++#ifndef __MINGW32__
+ #define snprintf             sprintf_s
++#endif
+ #define inet_pton(x,y,z)     win32_inet_pton(x,y,z)
+ #define open(x, y, z)        _open(x, y, z)
+ #ifndef lseek
diff --git a/src/lib/nfs/patches/series b/src/lib/nfs/patches/series
new file mode 100644
index 000000000..d2e2667c9
--- /dev/null
+++ b/src/lib/nfs/patches/series
@@ -0,0 +1 @@
+no_sprintf_s