diff --git a/SConstruct b/SConstruct
index abeeb2480f..78ca36a4ce 100644
--- a/SConstruct
+++ b/SConstruct
@@ -98,8 +98,8 @@ if arch == "aarch64" or arch == "larch64":
       "#phonelibs/libyuv/lib",
       "/system/vendor/lib64"
     ]
-    cflags = ["-DQCOM", "-mcpu=cortex-a57"]
-    cxxflags = ["-DQCOM", "-mcpu=cortex-a57"]
+    cflags = ["-DQCOM", "-D_USING_LIBCXX", "-mcpu=cortex-a57"]
+    cxxflags = ["-DQCOM", "-D_USING_LIBCXX", "-mcpu=cortex-a57"]
     rpath = []
 else:
   cflags = []