diff --git a/firefox-aarch64-sysctl.patch b/firefox-aarch64-sysctl.patch
new file mode 100644
index 0000000..b4a8c67
--- /dev/null
+++ b/firefox-aarch64-sysctl.patch
@@ -0,0 +1,12 @@
+diff -up firefox-106.0/media/ffvpx/config_unix_aarch64.h.old firefox-106.0/media/ffvpx/config_unix_aarch64.h
+--- firefox-106.0/media/ffvpx/config_unix_aarch64.h.old	2022-10-20 20:50:57.938936868 +0200
++++ firefox-106.0/media/ffvpx/config_unix_aarch64.h	2022-10-20 20:51:05.431187713 +0200
+@@ -329,7 +329,7 @@
+ #define HAVE_SLEEP 0
+ #define HAVE_STRERROR_R 1
+ #define HAVE_SYSCONF 1
+-#define HAVE_SYSCTL 1
++#define HAVE_SYSCTL 0
+ #define HAVE_USLEEP 1
+ #define HAVE_UTGETOSTYPEFROMSTRING 0
+ #define HAVE_VIRTUALALLOC 0
diff --git a/firefox.spec b/firefox.spec
index ff6f588..d9ad573 100644
--- a/firefox.spec
+++ b/firefox.spec
@@ -219,6 +219,7 @@ Patch62:        build-python.patch
 Patch71:        0001-GLIBCXX-fix-for-GCC-12.patch
 Patch77:        build-python-3.11.patch
 Patch78:        firefox-i686-build.patch
+Patch79:        firefox-aarch64-sysctl.patch
 
 # Test patches
 # Generate without context by
@@ -479,6 +480,7 @@ This package contains results of tests executed during build.
 %patch71 -p1 -b .0001-GLIBCXX-fix-for-GCC-12
 %patch77 -p1 -b .build-python-3.11
 %patch78 -p1 -b .firefox-i686
+%patch79 -p1 -b .aarch64-sysctl
 
 # Test patches
 #%patch100 -p1 -b .firefox-tests-xpcshell