diff --git a/net-im/libsignal-node/files/patch-powerpc64le b/net-im/libsignal-node/files/patch-powerpc64le
new file mode 100644
index 000000000000..180d363a424a
--- /dev/null
+++ b/net-im/libsignal-node/files/patch-powerpc64le
@@ -0,0 +1,11 @@
+--- ../boring-e1c719c0964ba37e6935355e9bf19821b072797e/boring-sys/deps/boringssl/CMakeLists.txt.orig  2021-09-03 00:17:34.000000000 +0200
++++ ../boring-e1c719c0964ba37e6935355e9bf19821b072797e/boring-sys/deps/boringssl/CMakeLists.txt       2022-09-06 09:18:01.142118000 +0200
+@@ -86,7 +89,7 @@
+ elseif(CMAKE_SYSTEM_PROCESSOR STREQUAL "mips")
+   # Just to avoid the “unknown processor” error.
+   set(ARCH "generic")
+-elseif(CMAKE_SYSTEM_PROCESSOR STREQUAL "ppc64le")
++elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "powerpc64le|ppc64le")
+   set(ARCH "ppc64le")
+ else()
+   message(FATAL_ERROR "Unknown processor:" ${CMAKE_SYSTEM_PROCESSOR})