diff --git a/src/util/dump_util.cpp b/src/util/dump_util.cpp
index 5b961367..782cba7a 100644
--- a/src/util/dump_util.cpp
+++ b/src/util/dump_util.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016, Intel Corporation
+ * Copyright (c) 2016-2017, Intel Corporation
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
@@ -33,6 +33,8 @@
 
 using namespace std;
 
+namespace ue2 {
+
 FILE *fopen_or_throw(const char *path, const char *mode) {
     FILE *f = fopen(path, mode);
     if (!f) {
@@ -40,3 +42,5 @@ FILE *fopen_or_throw(const char *path, const char *mode) {
     }
     return f;
 }
+
+} // namespace ue2
diff --git a/src/util/dump_util.h b/src/util/dump_util.h
index 487d2e7c..f5ebe94a 100644
--- a/src/util/dump_util.h
+++ b/src/util/dump_util.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016, Intel Corporation
+ * Copyright (c) 2016-2017, Intel Corporation
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
@@ -31,9 +31,13 @@
 
 #include <cstdio>
 
+namespace ue2 {
+
 /**
  * Same as fopen(), but on error throws an exception rather than returning NULL.
  */
 FILE *fopen_or_throw(const char *path, const char *mode);
 
+} // namespace ue2
+
 #endif