diff --git a/src/util/network/resolve.hpp b/src/util/network/resolve.hpp
index 653a5211d..1f2c0ce0c 100644
--- a/src/util/network/resolve.hpp
+++ b/src/util/network/resolve.hpp
@@ -20,8 +20,8 @@
  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  */
 
-#ifndef UTILITY_NETWORK_RESOLVE_HPP
-#define UTILITY_NETWORK_RESOLVE_HPP
+#ifndef NUCLEAR_UTIL_NETWORK_RESOLVE_HPP
+#define NUCLEAR_UTIL_NETWORK_RESOLVE_HPP
 
 #include <string>
 
@@ -49,4 +49,4 @@ namespace util {
 }  // namespace util
 }  // namespace NUClear
 
-#endif  // UTILITY_NETWORK_RESOLVE_HPP
+#endif  // NUCLEAR_UTIL_NETWORK_RESOLVE_HPP