diff --git a/www/firefox/files/patch-third__party_libwebrtc_third__party_pffft_src_pffft.c b/www/firefox/files/patch-third__party_libwebrtc_third__party_pffft_src_pffft.c
new file mode 100644
index 000000000000..465d6b7f01c7
--- /dev/null
+++ b/www/firefox/files/patch-third__party_libwebrtc_third__party_pffft_src_pffft.c
@@ -0,0 +1,10 @@
+--- third_party/libwebrtc/third_party/pffft/src/pffft.c.orig	2022-02-10 18:57:48 UTC
++++ third_party/libwebrtc/third_party/pffft/src/pffft.c
+@@ -100,6 +100,7 @@
+    Altivec support macros 
+ */
+ #if !defined(PFFFT_SIMD_DISABLE) && (defined(__ppc__) || defined(__ppc64__))
++#include <altivec.h>
+ typedef vector float v4sf;
+ #  define SIMD_SZ 4
+ #  define VZERO() ((vector float) vec_splat_u8(0))