diff --git a/Changelog b/Changelog
index 7125a70..49cae3d 100644
--- a/Changelog
+++ b/Changelog
@@ -1,3 +1,6 @@
+2013-12-23:
+  Fix compilation for ARMv8 64bit (used wrong define).
+
 2013-11-09:
   Tagged v2.0.0.
   String-to-Double|Float: ALLOW_LEADING_SPACES and similar flags now include
diff --git a/src/utils.h b/src/utils.h
index c76f77d..c0b8c31 100644
--- a/src/utils.h
+++ b/src/utils.h
@@ -63,7 +63,7 @@
     defined(__sparc__) || defined(__sparc) || defined(__s390__) || \
     defined(__SH4__) || defined(__alpha__) || \
     defined(_MIPS_ARCH_MIPS32R2) || \
-    defined(_AARCH64EL_)
+    defined(__AARCH64EL__)
 #define DOUBLE_CONVERSION_CORRECT_DOUBLE_OPERATIONS 1
 #elif defined(_M_IX86) || defined(__i386__) || defined(__i386)
 #if defined(_WIN32)