diff --git a/udpconsts.hpp b/udpconsts.hpp
index eb36ed6eac9b2e9c450bbaacca4159428222598c..5b4c358ec7b3e9c0441e426f45d2ff9ca818401d 100644
--- a/udpconsts.hpp
+++ b/udpconsts.hpp
@@ -8,6 +8,6 @@
 
 namespace p44 {
 
-constexpr const char* DEFAULT_BROADCAST_ADDR = "255.255.255.255";
-constexpr const char* DEFAULT_NETWORK_INTERFACE = "eth1";
+const char* DEFAULT_BROADCAST_ADDR = "255.255.255.255";
+const char* DEFAULT_NETWORK_INTERFACE = "eth1";
 } // namespace p44