diff --git a/srcpkgs/mozjs17/patches/aarch64.patch b/srcpkgs/mozjs17/patches/aarch64.patch
new file mode 100644
index 0000000000..70545de29d
--- /dev/null
+++ b/srcpkgs/mozjs17/patches/aarch64.patch
@@ -0,0 +1,11 @@
+--- mfbt/double-conversion/utils.h
++++ mfbt/double-conversion/utils.h
+@@ -58,7 +58,7 @@
+     defined(__mips__) || defined(__powerpc__) || \
+     defined(__sparc__) || defined(__sparc) || defined(__s390__) || \
+     defined(__SH4__) || defined(__alpha__) || \
+-    defined(_MIPS_ARCH_MIPS32R2)
++    defined(_MIPS_ARCH_MIPS32R2) || defined(__aarch64__)
+ #define DOUBLE_CONVERSION_CORRECT_DOUBLE_OPERATIONS 1
+ #elif defined(_M_IX86) || defined(__i386__) || defined(__i386)
+ #if defined(_WIN32)