diff --git a/deps/pjsip/third_party/webrtc/src/typedefs.h b/deps/pjsip/third_party/webrtc/src/typedefs.h
index b74f3e6..d268076 100644
--- a/deps/pjsip/third_party/webrtc/src/webrtc/typedefs.h
+++ b/deps/pjsip/third_party/webrtc/src/webrtc/typedefs.h
@@ -61,6 +61,14 @@
 #define WEBRTC_ARCH_X86_64
 #define WEBRTC_ARCH_64_BITS
 #define WEBRTC_ARCH_LITTLE_ENDIAN
+#elif defined(__PPC64__)
+# define WEBRTC_ARCH_64_BITS
+# ifdef __LITTLE_ENDIAN__
+#  define WEBRTC_ARCH_LITTLE_ENDIAN
+# endif
+#elif defined(__aarch64__)
+#define WEBRTC_ARCH_64_BITS
+#define WEBRTC_ARCH_LITTLE_ENDIAN
 #elif defined(_M_IX86) || defined(__i386__)
 #define WEBRTC_ARCH_X86_FAMILY
 #define WEBRTC_ARCH_X86