diff --git a/src/anbox/common/binary_writer.cpp b/src/anbox/common/binary_writer.cpp
index f6d4973..e9f16d9 100644
--- a/src/anbox/common/binary_writer.cpp
+++ b/src/anbox/common/binary_writer.cpp
@@ -25,8 +25,8 @@
 
 namespace {
 bool is_little_endian() {
-  std::uint32_t v = 1;
-  return (*reinterpret_cast<std::uint8_t*>(&v) ==  1);
+  static const std::uint32_t v = 1;
+  return (*reinterpret_cast<const std::uint8_t*>(&v) ==  1);
 }
 }