diff --git a/dhcp_provider.cc b/dhcp_provider.cc
index f92d585..ff76f1d 100644
--- a/dhcp_provider.cc
+++ b/dhcp_provider.cc
@@ -22,8 +22,7 @@
 base::LazyInstance<DHCPProvider> g_dhcp_provider = LAZY_INSTANCE_INITIALIZER;
 }  // namespace
 
-const char DHCPProvider::kDHCPCDPathFormatLease[] =
-    "var/lib/dhcpcd/dhcpcd-%s.lease";
+constexpr char DHCPProvider::kDHCPCDPathFormatLease[];
 
 DHCPProvider::DHCPProvider()
     : proxy_factory_(ProxyFactory::GetInstance()),