diff --git a/neon-0.31.1-endian.patch b/neon-0.31.1-endian.patch
new file mode 100644
index 0000000..6b798a8
--- /dev/null
+++ b/neon-0.31.1-endian.patch
@@ -0,0 +1,16 @@
+diff --git a/src/ne_md5.c b/src/ne_md5.c
+index f07041c..2a8458e 100644
+--- a/src/ne_md5.c
++++ b/src/ne_md5.c
+@@ -426,9 +426,9 @@ void *
+ md5_read_ctx (const struct md5_ctx *ctx, void *resbuf)
+ {
+ #ifdef HAVE_OPENSSL
+-#define SWAP_CTX(x) (ctx->ctx.x)
++#define SWAP_CTX(x) SWAP(ctx->ctx.x)
+ #else
+-#define SWAP_CTX(x) (ctx->x)
++#define SWAP_CTX(x) SWAP(ctx->x)
+ #endif
+ 
+   ((md5_uint32 *) resbuf)[0] = SWAP_CTX (A);
diff --git a/neon.spec b/neon.spec
index 15cbe48..b30ee73 100644
--- a/neon.spec
+++ b/neon.spec
@@ -8,6 +8,7 @@ License: LGPLv2+
 URL: https://notroj.github.io/neon/
 Source0: https://notroj.github.io/neon/neon-%{version}.tar.gz
 Patch0: neon-0.27.0-multilib.patch
+Patch1: neon-0.31.1-endian.patch
 BuildRequires:  gcc-c++
 BuildRequires: expat-devel, openssl-devel, zlib-devel, krb5-devel, libproxy-devel
 BuildRequires: pkgconfig, pakchois-devel
@@ -37,6 +38,7 @@ The development library for the C language HTTP and WebDAV client library.
 %prep
 %setup -q
 %patch0 -p1 -b .multilib
+%patch1 -p1 -b .endian
 
 # prevent installation of HTML docs
 sed -ibak '/^install-docs/s/install-html//' Makefile.in