diff --git a/packages/rcs/build.sh b/packages/rcs/build.sh
index 372a1d2f6..ba548cfda 100644
--- a/packages/rcs/build.sh
+++ b/packages/rcs/build.sh
@@ -2,7 +2,7 @@ TERMUX_PKG_HOMEPAGE=https://www.gnu.org/s/rcs
 TERMUX_PKG_DESCRIPTION="The GNU Revision Control System"
 TERMUX_PKG_LICENSE="GPL-3.0"
 TERMUX_PKG_VERSION=5.9.4
-TERMUX_PKG_REVISION=4
+TERMUX_PKG_REVISION=5
 TERMUX_PKG_SRCURL=http://gnu.uberglobalmirror.com/rcs/rcs-$TERMUX_PKG_VERSION.tar.xz
 TERMUX_PKG_SHA256=063d5a0d7da1821754b80c639cdae2c82b535c8ff4131f75dc7bbf0cd63a5dff
 TERMUX_PKG_DEPENDS="diffutils"
diff --git a/packages/rcs/lib-vasnprintf.c.patch b/packages/rcs/lib-vasnprintf.c.patch
new file mode 100644
index 000000000..095184b5b
--- /dev/null
+++ b/packages/rcs/lib-vasnprintf.c.patch
@@ -0,0 +1,12 @@
+diff -u -r ../m4-1.4.18/lib/vasnprintf.c ./lib/vasnprintf.c
+--- ../m4-1.4.18/lib/vasnprintf.c	2016-12-31 13:54:42.000000000 +0000
++++ ./lib/vasnprintf.c	2019-10-02 19:32:13.576211922 +0000
+@@ -4858,7 +4858,7 @@
+ #endif
+                   *fbp = dp->conversion;
+ #if USE_SNPRINTF
+-# if !(((__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 3)) && !defined __UCLIBC__) || ((defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__))
++# if !(((__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 3)) && !defined __UCLIBC__) || ((defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__) || defined(__ANDROID__))
+                 fbp[1] = '%';
+                 fbp[2] = 'n';
+                 fbp[3] = '\0';