diff --git a/dev-games/ois/Manifest b/dev-games/ois/Manifest
index 4610d18db1044..8c9fffb98f24c 100644
--- a/dev-games/ois/Manifest
+++ b/dev-games/ois/Manifest
@@ -1 +1,2 @@
+DIST ois-1.5.tar.gz 552786 BLAKE2B 2ac2d1d74c03804cdc1c0b8cd1e2a3661d9edfc8ae230d036f108dbffd6d8aa5778e2f708b468fd3364c0ba403d07b04c1744eb5a11b39d658ef5a21943a9df3 SHA512 5ab1dda7c25c1959ccbbb758ea3fda36bd62ad65f46e2c6b418317a5eb39e0bace52a44ae079dfb69fc58c90df54f8e50d589daae1100ec615325363c9d77513
 DIST ois_v1-3.tar.gz 136739 BLAKE2B 88dd3af2c8b253d9cacc5c65510c150ba50c6a47c1c2cd241bf366f38fba0560a7cef08392e338984e8b172020c4a4c37e5eab024fabc695b2f06f93393850ed SHA512 48b7355a9be9c66233691aa5461192fb6e537d284e4366ebf931a76ee3be30f2cf17a4aa350fce6b433eaecf4259414062b9dd5854eaf872b9a18294cfc640c3
diff --git a/dev-games/ois/files/ois-1.5-libdir.patch b/dev-games/ois/files/ois-1.5-libdir.patch
new file mode 100644
index 0000000000000..acd635c550b9d
--- /dev/null
+++ b/dev-games/ois/files/ois-1.5-libdir.patch
@@ -0,0 +1,31 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index a5da3b7..90a8b77 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -210,8 +210,7 @@ if (OIS_BUILD_DEMOS)
+ 
+ endif()
+ 
+-set(LIB_INSTALL_DIR "lib")
+-set(OIS_LIB_DIRECTORY ${CMAKE_INSTALL_PREFIX}/${LIB_INSTALL_DIR})
++set(OIS_LIB_DIRECTORY ${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR})
+ 
+ file(GLOB PUBLIC_HEADERS "${CMAKE_SOURCE_DIR}/includes/*.h")
+ 
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 90a8b77..3c1fe95 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -219,9 +219,9 @@ install(FILES ${PUBLIC_HEADERS}
+ )
+ 
+ install(TARGETS OIS
+-  RUNTIME DESTINATION bin
+-  LIBRARY DESTINATION lib
+-  ARCHIVE DESTINATION lib
++  RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
++  LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
++  ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
+   FRAMEWORK DESTINATION Library/Frameworks
+ )
+ 
diff --git a/dev-games/ois/ois-1.5.ebuild b/dev-games/ois/ois-1.5.ebuild
new file mode 100644
index 0000000000000..42b1711688303
--- /dev/null
+++ b/dev-games/ois/ois-1.5.ebuild
@@ -0,0 +1,24 @@
+# Copyright 1999-2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit cmake
+
+DESCRIPTION="Object-oriented Input System - A cross-platform C++ input handling library"
+HOMEPAGE="https://github.com/wgois/OIS"
+SRC_URI="https://github.com/wgois/OIS/archive/v${PV}.tar.gz -> ${P}.tar.gz"
+S="${WORKDIR}/${P^^}"
+
+LICENSE="ZLIB"
+SLOT="0"
+KEYWORDS="~amd64 ~arm ~x86"
+
+DEPEND="
+	x11-libs/libXaw
+	x11-libs/libX11
+"
+
+PATCHES=(
+	"${FILESDIR}/${PN}-1.5-libdir.patch"
+)