diff --git a/c_src/double-conversion/utils.h b/c_src/double-conversion/utils.h
index 9ebb9ee..8aebce0 100644
--- a/deps/jiffy/c_src/double-conversion/utils.h
+++ b/deps/jiffy/c_src/double-conversion/utils.h
@@ -57,7 +57,7 @@
     defined(__hppa__) || defined(__ia64__) || \
     defined(__mips__) || defined(__powerpc__) || \
     defined(__sparc__) || defined(__sparc) || defined(__s390__) || \
-    defined(__SH4__) || defined(__alpha__) || \
+    defined(__SH4__) || defined(__alpha__) || defined(__aarch64__) || \
     defined(_MIPS_ARCH_MIPS32R2)
 #define DOUBLE_CONVERSION_CORRECT_DOUBLE_OPERATIONS 1
 #elif defined(_M_IX86) || defined(__i386__) || defined(__i386)