diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 84119ccf1d11..abfd05671d61 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,8 @@
+2017-12-20  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
+
+	* config/cpu/aarch64/opt/ext/opt_random.h (__VEXT): Check
+	__ARM_BIG_ENDIAN instead of __AARCH64EB__.
+
 2017-12-18  François Dumont  <fdumont@gcc.gnu.org>
 
 	PR libstdc++/80761
diff --git a/libstdc++-v3/config/cpu/aarch64/opt/ext/opt_random.h b/libstdc++-v3/config/cpu/aarch64/opt/ext/opt_random.h
index 330050fc7f79..7c824809b780 100644
--- a/libstdc++-v3/config/cpu/aarch64/opt/ext/opt_random.h
+++ b/libstdc++-v3/config/cpu/aarch64/opt/ext/opt_random.h
@@ -34,7 +34,7 @@
 
 #ifdef __ARM_NEON
 
-#ifdef __AARCH64EB__
+#ifdef __ARM_BIG_ENDIAN
 # define __VEXT(_A,_B,_C) __builtin_shuffle (_A, _B, (__Uint8x16_t) \
     {16-_C, 17-_C, 18-_C, 19-_C, 20-_C, 21-_C, 22-_C, 23-_C, \
      24-_C, 25-_C, 26-_C, 27-_C, 28-_C, 29-_C, 30-_C, 31-_C})