diff --git a/net/gamenetworkingsockets/files/patch-include_steam_steamtypes.h b/net/gamenetworkingsockets/files/patch-include_steam_steamtypes.h
new file mode 100644
index 000000000000..db458a4b5c99
--- /dev/null
+++ b/net/gamenetworkingsockets/files/patch-include_steam_steamtypes.h
@@ -0,0 +1,11 @@
+--- include/steam/steamtypes.h.orig	2021-06-15 12:21:37 UTC
++++ include/steam/steamtypes.h
+@@ -24,7 +24,7 @@ typedef unsigned char uint8;
+ 	#define POSIX 1
+ #endif
+ 
+-#if defined(__x86_64__) || defined(_WIN64) || defined(__aarch64__) || defined(__s390x__)
++#if defined(__x86_64__) || defined(_WIN64) || defined(__aarch64__) || defined(__s390x__) || defined(__powerpc64__)
+ #define X64BITS
+ #endif
+